Psychiatric symptoms and quality of life in schizophrenia: a meta-analysis

Negative symptoms in psychosis: A scoping review of qualitative studies

INTRODUCTION

Negative symptoms in schizophrenia, characterised by the absence or reduction of normal processes, are understudied and effective treatments remain elusive. Qualitative research can provide novel and patient-centred insights into these complex phenomena. This scoping review synthesizes findings from previously published qualitative studies aiming to explore previous results and identify gaps in the published literature.

METHODS

A systematic search was conducted on MEDLINE, CINAHL, and PsycINFO databases between April and June 2023. Qualitative studies on negative symptoms in psychotic illnesses were eligible for inclusion. Screening and data extraction procedures were performed by two reviewers working independently. Extracted findings were summarised using narrative synthesis based on consensus meetings with the research team.

RESULTS

A comprehensive search yielded 4753 articles, with six studies deemed eligible for inclusion. The included studies collectively delved into the experiences, causes, and consequences of negative symptoms. Participants reported a spectrum of negative symptom experiences influenced by social dynamics, societal stigma, and childhood trauma. There was a noticeable interaction between different symptom domains, including negative symptoms, such as motivation and sociability, being influenced by positive symptoms, such as hallucinations and delusions. Studies have also highlighted the impact of prescribed medication and substance use on negative symptoms. Areas needing further qualitative research were identified, including exploring the differentiation between primary and secondary negative symptoms, and gaining a deeper understanding of negative symptom evolution over time.

CONCLUSIONS

This scoping review provides valuable insights into the subjective experience of negative symptoms and the multifactorial contributory factors to negative symptoms in schizophrenia. The findings, such as the interplay between negative and positive symptoms, emphasise the importance of a holistic understanding of these complex symptoms, which can be informed by qualitative exploration. Furthermore, the qualitative perspectives can enhance future research avenues, and have potential for assisting the development of more effective approaches for treating negative symptoms.

Psychometric properties of Japanese version of the Recovering Quality of Life (ReQoL)

PURPOSE

This study aims to examine the psychometric properties of the Recovering Quality of Life- Japanese version (ReQoL-J) for use in the community setting.

METHODS

This cross-sectional study was conducted among service users of community mental health service facilities. A series of confirmatory factor analyses (CFAs) was performed. After the best-fitting model was identified, omega indices, and intraclass correlation (ICC) were calculated to evaluate dimensionality and reliability. The correlation coefficients between the ReQoL-J scores and the other scales were calculated for testing construct validity. We also estimated the correlation coefficients between the ReQoL-J-10 and - 20.

RESULTS

A total of 395 service users from 23 facilities in Japan participated in this study. Of these, 66 responded to the test-retest reliability. The bifactor model showed the best fit to the data: χ2/df = 1.74, CFI = 0.993, RMSEA = 0.031, and SRMR = 0.038. ECV and OmegaH indicated unidimensionality. ICC for the Re-QoL-J-10 and - 20 were 0.700 and 0.766, respectively. The ReQoL-J-10 showed a high correlation with the ReQoL-J-20 (r =.95, p <.001). The EQ-5D-5 L, a new brief scale for subjective personal agency (SPA-5), well-being and the quality of life scale (QLS) scores were positively correlated with the ReQoL-J score. On the other hand, the patient health questionnaire-9 (PHQ-9) and the WHODAS scores were negatively correlated with the ReQoL-J score.

CONCLUSION

Factor structure, internal consistency, test-retest reliability, and construct validity of the ReQoL-J were confirmed. The ReQoL-J is a promising tool as a patient-reported outcome measure in mental health services for the Japanese community setting.

Response to electroconvulsive therapy is not consistently replicated across multiple treatment courses

Electroconvulsive therapy (ECT) is widely used to treat various psychiatric disorders, with patients often undergoing multiple courses of ECT. However, it remains unclear whether responses to one ECT course can be replicated in subsequent treatment courses. A retrospective cohort study at the Institute of Mental Health, Singapore, studied 226 patients who underwent at least two courses of ECT between March 2017 and May 2023. The study compared the correlation of response rates, illness severity, quality of life (QoL), and cognition between 2 courses of ECT using Pearson's chi-square test and Pearson correlation coefficients. The results showed no significant correlation in response rates or cognition between the two courses of ECT. However, small correlations were observed at the group level between the Clinical Global Impression - Improvement (CGI-I) scale, which measures illness severity, and the Quality of Life Enjoyment and Satisfaction Questionnaire - Short Form (Q-LES-Q-SF) scores. Pearson correlation coefficients were r = 0.16 (p = 0.04) for CGI-I and r = 0.28 (p = 0.009) for Q-LES-Q-SF. In subgroup analysis, patients with schizophrenia showed a small correlation between CGI-I (r = 0.21, p = 0.029) and Q-LES-Q SF scores (r = 0.26, p = 0.048), while those with depression showed a moderate correlation in Q-LES-Q SF scores (r = 0.52, p = 0.013), with no correlation in CGI-I. No correlation was observed in the mania or catatonia subgroups. These results suggest that while previous responses to ECT may not reliably predict future outcomes, improvements in illness severity and QoL tend to follow a similar trajectory, highlighting the value of collaborative decision-making in treatment planning.

Clinical Characteristics of Inpatients with Schizophrenia Spectrum Disorder Treated with Electroconvulsive Therapy: A Population-Level Cross-Sectional Study: Titre: Caractéristiques cliniques des patients hospitalisés présentant un trouble du spectre de la schizophrénie et traités par électrochocs : Une étude de population transversale

OBJECTIVE

Electroconvulsive therapy (ECT) is an evidence-based treatment for schizophrenia when anti-psychotic medications do not sufficiently control symptoms of psychosis or rapid response is required. Little is known about how it is used in routine clinical practice. The aim of this study was to identify the association of demographic and clinical characteristics with administration of ECT for schizophrenia spectrum disorders (SSD).

METHODS

Among psychiatric inpatients with a diagnosis of SSD in Ontario, Canada (2006-2023), patient-level socio-demographic and clinical characteristics were described in those who did and did not receive ECT. We used multi-variable logistic regression to assess the association between patient-level characteristics and administration of ECT during index hospitalization.

RESULTS

From 164,632 admissions, 2,168 (1.3%) involved exposure to ≥1 inpatient ECT procedure. Compared to those not receiving ECT, those receiving ECT were older, had higher rates of pre-admission medication use, medical and psychiatric comorbidities, outpatient mental health service use, but lower rates of substance use disorders. In the multi-variable logistic regression model, patient-level characteristics most strongly associated with receiving inpatient ECT were the presence of catatonia (odds ratio [OR]: 5.83; 95% confidence interval [95% CI]: 4.01-8.46), comorbid depression (OR: 2.49; 95% CI: 2.07-2.98), obsessive-compulsive disorder (OR: 2.16; 95% CI: 1.55-3.00), while characteristics most strongly associated with not receiving inpatient ECT were myocardial infarction (OR: 0.44; 95% CI: 0.20-0.95) and family conflict towards patient (OR: 0.47; 95% CI: 0.31-0.71). Neither severity of psychotic symptoms, non-command auditory hallucinations nor delusions were associated with administration of ECT.

CONCLUSIONS

While characteristics associated with the use of ECT are generally consistent with the indications for ECT (e.g., catatonia, mood disorders), ECT is rarely used amongst individuals with SSD. Severity of psychotic symptoms was not associated with the use of inpatient ECT suggesting an opportunity to increase the use of ECT in this population.

PLAIN LANGUAGE SUMMARY TITLE

Patient characteristics associated with receiving electroconvulsive therapy in schizophrenia and other psychotic illnesses.

Relationship between quality of life of patients with severe mental illnesses and family burden of disease: the mediating effect of caregivers' social support

BACKGROUND

Severe mental illnesses (SMIs) have become one of the public health problems of great concern in society, which not only bring physical and mental pain to patients but also heavy burden to families. It is known that the health-related quality of life (HRQoL) of patients and caregivers' social support are correlated with caregivers' family burden of disease, but the interaction mechanism among them is not clear. The purpose of this study was to investigate the association between HRQoL in patients with SMIs and the family burden of disease and to examine the mediating role of caregivers' social support.

METHODS

From January to July 2022, this cross-sectional study was conducted in 23 community health service centers in Nanjing, China. We recruited 924 patients with SMIs and their caregivers, using a random sampling method. Hayes' PROCESS macro was used to test the mediation effect of caregivers' social support in the relationship between patients' HRQoL and family burden of disease. Indirect effects were tested using bootstrapped confidence intervals (CI).

RESULTS

The SF-36 score of patients with SMIs was 57.85 (49.59, 63.64), while the caregivers' social support was measured at 32.00 (27.00, 35.00), and the family burden of disease scored 16.00 (8.00, 24.00). Spearman correlation analysis revealed a negative correlation between the patients' HRQoL and the family burden of disease (r = -0.54, p < 0.01). Furthermore, caregivers' social support was negatively correlated with the family burden of disease (r = -0.19, p < 0.01). The mediating role of caregivers' social support between the patients' HRQoL and the family burden of disease was confirmed by the Bootstrap test (p < 0.01), with a mediating effect of 2.75% (β = -0.016, 95% CI = -0.031, -0.002).

CONCLUSIONS

This study highlights that caregivers experience a heavy family burden of disease. The patients' HRQoL not only directly affects the family burden of disease but also indirectly influences it through the caregivers' social support. Therefore, relevant departments need to prioritize improving patients' HRQoL and expanding caregivers' social support networks when developing targeted intervention programs to reduce the family burden of SMIs.

Autism-spectrum quotient mediates the relationship between clinical symptoms and quality of life in schizophrenia

BACKGROUND

Social dysfunctions can affect the quality of life (QOL) of patients with schizophrenia. The autism-spectrum quotient (AQ) is a widely used measure of innate autistic traits. However, in patients with schizophrenia, the score may represent the severity of autism-like social dysfunctions as a consequence of symptoms. We tested the hypothesis that AQ would mediate the relationship between clinical symptoms and QOL in patients with schizophrenia, based on the assumption that the AQ measures autism-like social dysfunctions rather than autistic traits in this population.

METHODS

We analyzed data from 108 outpatients with schizophrenia. The relationships among the scores on the Positive and Negative Syndrome Scale (PANSS), the Schizophrenia Quality of Life Scale (SQLS), and the AQ were examined using structural equation modeling (SEM).

RESULTS

Path analyses of the total scale scores revealed partial mediation, but not full mediation or independent effects. However, both the AQ and PANSS scores could be mediators. SEM including the three domain scores of PANSS, the two factors of the AQ, and the three subscale scores of the SQLS showed a good fit of the AQ mediation model, but not the symptom mediation model, supporting our hypothesis. In this final model, the relationship between negative symptoms and QOL was mediated by autism-like social dysfunctions, whereas positive symptoms directly affected QOL.

CONCLUSIONS

Our findings advance our understanding of what the AQ measures when applied to patients with schizophrenia and suggest that autism-like social dysfunctions are important treatment targets for improving QOL in this population.

Autistic trait severity in early schizophrenia: Role in subjective quality of life and social functioning

BACKGROUND

Cognitive impairment is a cardinal feature in patients with schizophrenia and leads to poor social functioning. Recently, the treatment of schizophrenia has evolved to include the goal of improving quality of life (QoL). However, most of the factors influencing subjective QoL are unknown. Autistic traits have been shown to co-occur with various psychiatric conditions including schizophrenia. Hence, the present study aimed to investigate whether cognitive function and autistic trait severity are associated with social functioning and subjective QoL in patients with early schizophrenia.

METHODS

Data were analyzed from 183 outpatients diagnosed with early schizophrenia in Tokyo, Japan. Information was obtained on neurocognition with the Japanese version of the Brief Assessment of Cognition in Schizophrenia. Autistic trait severity was assessed using the Autism Spectrum Quotient (AQ), while social functioning was measured with the Specific Levels of Functioning Scale Japanese version. Information was obtained on subjective QoL with the Subjective Well-being under Neuroleptic drug treatment Short form, Japanese version. Multiple regression analysis was used to examined associations.

RESULTS

In an analysis adjusted for demographic characteristics (age, sex and education), both autistic trait severity (β = -0.56, p < 0.01) and neurocognitive function (β = 4.37, p < 0.01) were significantly associated with social function. On the other hand, only autistic trait severity made a significant contribution to the prediction of subjective QoL (β = -1.79, p < 0.01).

CONCLUSIONS

The results of this study suggest that efforts to detect and treat cognitive impairment and comorbid autistic trait in early schizophrenia may be important for improving social functioning and subjective QoL in this population. In particular intervention that targets autistic trait severity seems to be key to achieving personal recovery in patients with schizophrenia.

Associations between readmission and patient-reported measures in acute psychiatric inpatients: a multicenter prospective longitudinal study

PURPOSE

This study examined whether patient-reported measures (PRMs) addressing quality of life, personal agency, functional impairment, and treatment satisfaction at hospital discharge were associated with future readmission during a 12-month follow-up period. The study also examined whether readmission influenced changes in the same measures.

METHODS

A multicenter prospective cohort study was conducted at 21 psychiatric hospitals in Japan. Participants completed the EuroQol-five-dimensions-five-level (EQ-5D), the Five-item Subjective Personal Agency Scale, and the Sheehan Disability Scale (SDS) at the time of index admission (T1), discharge from index admission (T2), and 6 months (T3) and 12 months (T4) after discharge. Inpatient treatment satisfaction was assessed at T2. Readmission and variables potentially associated with hospitalization and PRMs were evaluated using mixed-effects logistic regression models and mixed models for repeated measures.

RESULTS

A total of 491 participants were followed for 12 months (attrition rate: 19.4%), and 480 were included in the EQ-5D analysis. The most common diagnoses were schizophrenia (59%), depression (14%), and bipolar disorder (13%). No patient-reported measures were significantly associated with readmission over the follow-up period. Interaction of readmission and time did not significantly affect changes in EQ-5D. Readmission did significantly influence SDS score changes between T2 and T3 (B = 1.78, 95% CI = 0.30-3.25, p = 0.018) and between T3 and T4 (B = 1.43, 95% CI = 0.14-2.72, p = 0.029). The same influence of readmission on SDS score changes was not observed in the model which adjusted for all potential covariates.

CONCLUSION

Readmission was potentially associated with changes in self-reported functional impairment. Findings highlight the potential role of intensive post-discharge services in preventing readmission, rather than relying on time-of-discharge PRMs in order to predict readmission risk.

TRIAL REGISTRATION

This study was registered in UMIN Clinical Trials Registry (UMIN000034220).

Long-term quality of life and social disconnection 20 years after a first episode psychosis, results from the 20-year follow-up of the OPUS trial

OBJECTIVE

Schizophrenia disorders severely impact social and occupational function and reduce quality of life, furthermore patients often suffer from social withdrawal and isolation. The aim of this study was to investigate long-term quality of life and social disconnection and determine 10-year changes in quality of life and social disconnection later in life in association with changes in symptom severity, cognition, and global function.

METHODS

We used assessments of quality of life and assessor rated social disconnection from the 10- and 20-year follow-up of the OPUS trial to examined 10-year changes in self-rated quality of life and social disconnection in the later stage of illness following a first episode psychosis. Self-rated social disconnection was only assessed in the 174 participants of the 20-year follow-up.

RESULTS

Twenty years after a first episode psychosis only half of the participants reported having face-to-face contact with someone in their network more than once a week, while 90 % reported often or always being able to get emotional support when needed. Quality of life ratings were lower in our study population compared to the general population. On average physical and environmental quality of life worsened from the 10- to the 20-year follow-up while psychological and social quality of life remained stable. All quality-of-life domains were associated with negative symptoms (physical QoL: b = -6.6, p < 0.001, psychological QoL: b = -8, p < 0.001, social QoL: b = -5.7, p < 0.001 and environmental QoL: b = -6.5, p < 0.001) and global function (physical QoL: b = -0. 47, p < 0.001, psychological QoL: b = 0.52, p < 0.001, social QoL: b = 0.31, p < 0.001 and environmental QoL: b = 0.49, p < 0.001).

CONCLUSION

Social disconnection seems to persist over time. Social disconnection and quality of life were associated with negative symptoms and poor functioning, therefore interventions aimed at improving global and social function might likely also improve quality of life.

Internalised Stigma, Self-Esteem and Perceived Social Support as Psychosocial Predictors of Quality of Life in Adult Patients with Schizophrenia

Background: Schizophrenia is a chronic and severe mental illness that ultimately leads to reduced quality of life (QoL). Over the years, QoL has emerged as an important outcome in the treatment of schizophrenia patients, but the role of psychosocial variables in determining QoL is still ambiguous. Therefore, in the present research, demographic, clinical and psychosocial variables were examined for their influence on QoL. Methods: We conducted a prospective and cross-sectional study on a sample of 139 patients with schizophrenia (72.7% females, age 48.17 ± 10.22) attending an outpatient service. QoL was measured using Schizophrenia Quality of Life Revision-4 (SQLR4) and internalised stigma, self-esteem, perceived social support, resilience and coping mechanisms were assessed using a battery of standardized self-report scales. Results: Female patients and those less adherent to treatment had reduced cognition and vitality QoL. The worst QoL in all domains was observed in patients with a younger age at illness onset and with six or more hospitalizations. Regression analysis indicated that reduced self-esteem, perceived social support, a larger number of hospitalization and increased internalised stigma predicted poorer overall QoL and accounted for 44.9% in the variance in SQLSR4 global score (adjusted R2 = 0.449, p = 0.046). Conclusions: Routine assessment of internalised stigma, self-esteem and perceived social support, in addition to demographic and clinical variables and addressing possible deficits in these areas through personalized intervention, could improve QoL in schizophrenia patients.

Relapse in schizophrenia: The role of factors other than non-adherence to treatment

AIM

Relapse rates are very high in schizophrenia. However, little is known about the predictors of the time to relapse other than treatment non-adherence. We investigated possible risk factors for the time to relapse in patients with first-episode schizophrenia (n = 107) who received assured treatment by way of long-acting injectable antipsychotic over 24 months and who underwent regular clinical, cognitive, and metabolic assessments.

METHODS

Using Cox regression analyses we assessed selected premorbid and baseline potential predictors of time to relapse. Relapse was defined using operationally defined relapse criteria.

RESULTS

In the primary analysis only neurological soft signs total score retained significance, with higher scores predicting shorter time to relapse (HR = 1.05, 95% CI = 1.01-1.10, p = .029). In a more detailed secondary analysis poorer social relationships predicted shorter time to relapse (HR = 0.85, 95% CI = 0.76-0.95, p = .003).

CONCLUSION

Our predominantly negative findings suggest that many of the previously implicated risk factors for the time to relapse are mediated by non-adherence rather than having a direct effect on relapse-proneness. Neurological soft signs, and perhaps quality of life in social relationships appear to play a role and merit further investigation.

The implementation of exercise therapy within hospital-based mental healthcare: Delphi study

BACKGROUND

The physical health comorbidities and premature mortality experienced by people with mental illness has led to an increase in exercise services embedded as part of standard care in hospital-based mental health services. Despite the increase in access to exercise services for people experiencing mental illness, there is currently a lack of guidelines on the assessment and triage of patients into exercise therapy.

AIMS

To develop guidelines for the pre-exercise screening and health assessment of patients engaged with exercise services in hospital-based mental healthcare and to establish an exercise therapy triage framework for use in hospital-based mental healthcare.

METHOD

A Delphi technique consisting of two online surveys and two rounds of focus group discussions was used to gain consensus from a multidisciplinary panel of experts.

RESULTS

Consensus was reached on aspects of pre-exercise health screening, health domain assessment, assessment tools representing high-value clinical assessment, and the creation and proposed utilisation of an exercise therapy triage framework within exercise therapy.

CONCLUSIONS

This study is the first of its kind to provide guidance on the implementation of exercise therapy within Australian hospital-based mental healthcare. The results provide recommendations for appropriate health assessment and screening of patients in exercise therapy, and provide guidance on the implementation and triage of patients into exercise therapy via a stepped framework to determine (a) the timeliness of exercise therapy required and (b) the level of support required in the delivery of their exercise therapy.

Exercise4Psychosis: A randomised control trial assessing the effect of moderate-to-vigorous exercise on inflammatory biomarkers and negative symptom profiles in men with first-episode psychosis

INTRODUCTION

First-Episode Psychosis (FEP) is a devastating mental health condition that commonly emerges during early adulthood, and is characterised by a disconnect in perceptions of reality. Current evidence suggests that inflammation and perturbed immune responses are involved in the pathology of FEP and may be associated specifically with negative symptoms. Exercise training is a potent anti-inflammatory stimulus that can reduce persistent inflammation, and can improve mood profiles in general populations. Therefore, exercise may represent a novel adjunct therapy for FEP. The aim of this study was to assess the effect of exercise on biomarkers of inflammation, negative symptoms of psychosis, and physiological health markers in FEP.

METHODS

Seventeen young males (26.67 ± 6.64 years) were recruited from Birmingham Early Intervention in Psychosis Services and randomised to a 6-week exercise programme consisting of two-to-three sessions per week that targeted 60-70 % heart-rate max (HRMax), or a treatment as usual (TAU) condition. Immune T-helper (Th-) cell phenotypes and cytokines, symptom severity, functional wellbeing, and cognition were assessed before and after 6-weeks of regular exercise.

RESULTS

Participants in the exercise group (n = 10) achieved 81.11 % attendance to the intervention, with an average exercise intensity of 67.54 % ± 7.75 % HRMax. This led to favourable changes in immune cell phenotypes, and a significant reduction in the Th1:Th2 ratio (-3.86 %) compared to the TAU group (p = 0.014). After the exercise intervention, there was also a significant reduction in plasma IL-6 concentration (-22.17 %) when compared to the TAU group (p = 0.006). IL-8, and IL-10 did not show statistically significant differences between the groups after exercise. Symptomatically, there was a significant reduction in negative symptoms after exercise (-13.54 %, Positive and Negative Syndrome Scale, (PANSS) Negative) when compared to the TAU group (p = 0.008). There were no significant change in positive or general symptoms, functional outcomes, or cognition (all p > 0.05).

DISCUSSION

Regular moderate-to-vigorous physical activity is feasible and attainable in clinical populations. Exercise represents a physiological tool that is capable of causing significant inflammatory biomarker change and concomitant symptom improvements in FEP cohorts, and may be useful for treatment of symptom profiles that are not targeted by currently prescribed antipsychotic medication.

Exploring the interplay of psychiatric symptoms, antipsychotic medications, side effects, employment status, and quality of life in Chronic Schizophrenia

BACKGROUND

Many factors contribute to quality of life (QoL) in patients with schizophrenia, yet limited research examined these factors in patients in China. This cross-sectional study explores subjective QoL and its associated factors in patients.

METHODS

The QoL was assessed using the Schizophrenia Quality of Life Scale (SQLS). Clinical symptoms were evaluated using the Brief Psychiatric Rating Scale (BPRS) and seven factors were extracted. Patient Health Questionnaire-9 (PHQ-9), and Generalized Anxiety Disorder Scale (GAD-7) were used to assess depression and anxiety. Cognitive impairment was assessed using the Ascertain Dementia 8 (AD8). The Treatment Emergent Symptom Scale (TESS) and Rating Scale for Extrapyramidal Side Effects (RSESE) were used to evaluate the side effects of medications.

RESULTS

We recruited 270 patients (male:142,52.6%, mean age:41.9 ± 9.4 years). Positive correlations were observed between SQLS and its subdomains with the total score of BPRS, PHQ-9, GAD-7, AD8, TESS, and RSESE (all P < 0.005). Patients who were taking activating second-generation antipsychotics (SGAs) had lower scores on total SQLS, Motivation/ Energy domain of SQLS (SQLS-ME) as well as Symptoms/ Side effects domain of SQLS (SQLS-SS) compared to those taking non-activating SGAs (all P < 0.005). Multiple regression analysis showed that depressive/ anxiety symptoms and cognitive impairment had significant negative effects on QoL (P ≤ 0.001), while activating SGAs had a positive effect (P < 0.005). Blunted affect and unemployment were inversely associated with the motivation/energy domain (P < 0.001).

CONCLUSION

Our findings emphasize the important role of depression/anxiety symptoms and cognitive impairment in the QoL of patients with chronic schizophrenia. Activating SGAs and employment may improve the QoL of these individuals.

TRIAL REGISTRATION

This protocol was registered at chictr.org.cn (Identifier: ChiCTR2100043537).

Functioning and quality of life among treatment-engaged adults with psychotic disorders in urban Tanzania: Baseline results from the KUPAA clinical trial

BACKGROUND

There is a treatment gap for those living with severe mental illnesses in low- and middle-income countries, yet not enough is known about those who are currently accessing clinical services. A better understanding of potentially modifiable factors associated with functioning and quality of life will help inform policies and programming.

AIMS

To describe the functioning and quality of life for a psychiatric treatment-engaged population living with psychotic disorders in two urban areas of Tanzania, and to explore their respective correlates.

METHODS

This study analyzed cross-sectional data from 66 individuals enrolled in the Kuwezeshana Kupata Uzima (KUPAA) pilot clinical trial who had a diagnosis of schizophrenia or schizoaffective disorder, recent relapse, and who were receiving outpatient treatment. Baseline functioning (WHO Disability Assessment Schedule 2.0) and quality of life (WHO Quality of Life BREF scale) were measured. Univariable and multivariable regression analyses were conducted to determine correlates of functioning and quality of life.

RESULTS

Adjusted analyses indicated that higher disability was associated with higher food insecurity, more symptomatology, more self-stigma, less instrumental support, less hope, lower self-efficacy, and/or lower levels of family functioning. Higher quality of life was associated with higher levels of self-efficacy, more hopefulness, more instrumental support, less self-stigma, and better family functioning.

CONCLUSIONS

Identification of factors associated with disability and quality of life can help clinicians and policymakers, as well as consumers of mental health services, to better co-design and target psychosocial interventions to optimize their impact in low-resource settings.

TRIAL REGISTRATION

Trial registration: ClinicalTrials.gov # NCT04013932, July 10, 2019.

Quality of life among people living with mental illness and predictors in Africa: a systematic review and meta-analysis

INTRODUCTION

Quality of life (QoL) of patients with mental illness has been examined internationally but to a lesser extent in developing countries, including countries in Africa. Improving QoL is vital to reducing disability among people with mental illness. Therefore, this systematic review and meta-analysis aimed to assess the prevalence of QoL and associated factors among people living with mental illness in Africa.

METHODS

Using the PICOT approach, Scopus, MEDLINE, PsycINFO, CINAHL, Embase, the Web of Science, and Google Scholar were searched. A structured search was undertaken, comprising terms associated with mental health, mental illness, QoL, and a list of all African countries. The Joanna Briggs Institute Quality Appraisal Checklist is used to evaluate research quality. Subgroup analysis with Country, domains of QoL, and diagnosis was tested using a random-effect model, and bias was assessed using a funnel plot and an inspection of Egger's regression test. A p value, OR, and 95% CI were used to demonstrate an association.

RESULTS

The pooled prevalence of poor QoL was 45.93% (36.04%, 55.83%), I2 = 98.6%, p < 0.001). Subgroup analysis showed that Ethiopia (48.09%; 95% CI = 33.73, 62.44), Egypt (43.51%; 95% CI = 21.84, 65.18), and Nigeria (43.49%; 95% CI = 12.25, 74.74) had the highest mean poor QoL prevalence of the countries. The pooled prevalence of poor QoL by diagnosis was as follows: bipolar disorder (69.63%; 95% CI = 47.48, 91.77), Schizophrenia (48.53%; 95% CI = 29.97, 67.11), group of mental illnesses (40.32%; 95% CI = 23.98, 56.66), and depressive disorders (38.90%; 95% CI = 22.98, 54.81). Being illiterate (3.63; 95% CI = 2.35, 4.91), having a comorbid medical illness (4.7; 95% CI = 2.75, 6.66), having a low monthly income (3.62; 95% CI = 1.96, 5.27), having positive symptoms (0.32; 95% CI = 0.19, 0.55), and having negative symptoms (0.26; 95% CI = 0.16, 0.43) were predictors of QoL. Thus, some factors are significantly associated with pooled effect estimates of QoL.

CONCLUSIONS

The current systematic review and meta-analysis showed that almost half of patients with mental illness had poor QoL. Being illiterate, having a comorbid medical condition, having a low monthly income, having positive symptoms, and having negative symptoms of mental illness were independent predictors of poor QoL. This systematic review and meta-analysis emphasize that poor QoL of people with mental illness in Africa needs attention to reduce its negative consequences.

Efficacy of Rivastigmine Augmentation on Positive and Negative Symptoms, General Psychopathology, and Quality of Life in Patients with Chronic Schizophrenia: A Randomized Controlled Trial

The study aimed to assess Rivastigmine augmentation on positive and negative symptoms (PNSs), general psychopathology, and quality of life in patients with chronic Schizophrenia. A double-blind, parallel-design, randomized, placebo-controlled trial of 60 schizophrenia patients was conducted. Intervention group received rivastigmine 3 mg/day + Treatment as Usual (TAU) and the control group: TAU + placebo. Negative and positive symptoms, general psychopathology; and quality of life were measured using Positive and Negative Symptom Scale (PANSS) and Manchester Short Assessment of Quality of Life (MANSA). T-test, ANOVA, and the general univariate linear model tests were used for the analyses. Out of 60 participants, 52 (86.6%) were male. At baseline, no significant relationship was found for demographic and clinical characteristics between intervention and control groups. Between-group analysis indicated that all outcome measures PNSs, general psychopathology symptoms, and QoL score in rivastigmine group was significantly improved (p = 0.001). According to within-group analysis, a significant association was found between Rivastigmine and placebo groups in PNSs (p < 0.05). Rivastigmine augmentation improved PNSs and psychopathology in schizophrenia patients. However, no significant association found for improving the life quality after 8 weeks treatment.

Eight-month intensive meditation-based intervention improves refractory hallucinations and delusions and quality of life in male inpatients with schizophrenia: a randomized controlled trial

AIM

This study investigated the impact of an 8-month daily-guided intensive meditation-based intervention (iMI) on persistent hallucinations/delusions and health-related quality of life (QoL) in male inpatients with schizophrenia with treatment-refractory hallucinations and delusions (TRHDs).

METHODS

A randomized controlled trial assigned 64 male inpatients with schizophrenia and TRHD equally to an 8-month iMI plus general rehabilitation program (GRP) or GRP alone. Assessments were conducted at baseline and the third and eighth months using the Positive and Negative Syndrome Scale (PANSS), 36-Item Short Form-36 (SF-36), and Five Facet Mindfulness Questionnaire (FFMQ). Primary outcomes measured PANSS reduction rates for total score, positive symptoms, and hallucinations/delusions items. Secondary outcomes assessed PANSS, SF-36, and FFMQ scores for psychotic symptoms, health-related QoL, and mindfulness skills, respectively.

RESULTS

In the primary outcome, iMI significantly improved the reduction rates of PANSS total score, positive symptoms, and hallucination/delusion items compared with GRP at both the third and eighth months. Treatment response rates (≥25% reduction) for these measures significantly increased in the iMI group at the eighth month. Concerning secondary outcomes, iMI significantly reduced PANSS total score and hallucination/delusion items, while increasing scores in physical activity and mindfulness skills at both the third and eighth months compared with GRP. These effects were more pronounced with an 8-month intervention compared with a 3-month intervention.

CONCLUSIONS

An iMI benefits patients with TRHDs by reducing persistent hallucinations/delusions and enhancing health-related QoL. Longer iMI duration yields superior treatment outcomes.

Effects of Goal Management Training on self-efficacy, self-esteem, and quality of life for persons with schizophrenia spectrum disorders

Persons with schizophrenia often show executive dysfunction assessed with both subjective (self-report) and objective (neuropsychological tests) measures. In a recent randomized controlled trial (RCT), subjective executive functioning in everyday life was improved following Goal Management Training (GMT). The aim of the current study is to investigate the potential of GMT to improve secondary well-being outcomes from that RCT, including self-esteem, self-efficacy, and quality of life in persons with schizophrenia spectrum disorders. Since well-being is frequently lower in persons with schizophrenia compared to healthy individuals, further knowledge about well-being as an outcome after cognitive remediation may have implications for clinical treatment. Sixty-five participants were randomly assigned to GMT (n = 31) or a waiting list control condition (n = 34). Assessments were conducted at baseline (T1), immediately after the intervention (T2-5 weeks), and at six-month follow-up (T3). Measures included the Rosenberg Self-Esteem Scale, the Perceived Quality of Life Scale, and the General Self-Efficacy Scale. Results were analyzed using a linear mixed model analysis for repeated measures. There were no significant effects of GMT on self-esteem or quality of life. Only the GMT group showed a significant increase in self-efficacy that was most evident at six months follow-up, F(1, 34) = 10.71, p = 0.002, d = 0.71. Improved self-efficacy was found to correlate significantly with a reduction in perceived executive dysfunction in an exploratory post hoc analysis. Our findings demonstrate the potential of GMT in improving self-efficacy in schizophrenia Clinical trial registration:https://clinicaltrials.gov, NCT03048695.

Quality of Life and C-Reactive Protein in Patients with Schizophrenia: A Cross-Sectional Study

Objective

The connection between chronic inflammation and the quality of life (QOL) in individuals diagnosed with schizophrenia lacks clarity. This study aimed to achieve 2 primary objectives: (1) assess the QOL among outpatients with schizophrenia and (2) explore the potential correlation between reduced QOL and heightened levels of C-reactive protein (CRP) in patients with schizophrenia.

Methods

The research included 129 outpatients diagnosed with schizophrenia who were receiving care at the psychiatry department of the University Hospital Mohamed VI in Marrakech, Morocco. Disease severity was evaluated using the Positive and Negative Syndrome Scale (PANSS), while the QOL was measured using the Moroccan Arabic version of The Schizophrenia Quality of Life questionnaire. Patients were categorized into 2 groups based on their CRP levels: normal CRP (≤5.0 mg/L) and high CRP (>5.0 mg/L). A comparative analysis of sociodemographic, clinical, biological, and quality of life factors was conducted between the 2 groups (normal CRP and high CRP).

Results

The group with elevated CRP levels exhibited higher scores in various PANSS categories, including PANSS total score (P ≤ .01), PANSS positive score (P ≤ .01), PANSS negative score (P ≤ .01), and PANSS general score (P ≤ .01). After adjusting for sociodemographic and clinical variables, individuals with elevated CRP levels demonstrated lower QOL compared to those with normal CRP levels (OR = 0.57, 95% CI = 0.46-0.68). Significant associations were noted between male gender (OR = 0.047, 95% CI = 0.01-0.26), earlier onset of the condition (OR = 0.54, 95% CI = 0.33-0.82), current tobacco smoking (OR = 0.015, 95% CI = 0.00-0.08), and heightened CRP levels.

Conclusion

Our study suggests that higher CRP is associated with lower QOL levels in schizophrenia.

Sexual dysfunction, marital relationship, and subjective quality of life among women with schizophrenia: Analytical case-control study

Background

Women with schizophrenia have a high risk of adverse sexual health outcomes. The chronic course of schizophrenia draws attention to assessing the quality of life and marital relationships of patients with schizophrenia. However, there is a crunch of data in the Indian setting. This study aimed to investigate the prevalence of sexual dysfunctions (SDs) and determine the marital relationship and quality of life among women with schizophrenia.

Material and Methods

The study followed an analytical case-control design. The study was conducted at the inpatient psychiatric department of one of the apex tertiary healthcare centers located at the foothills of the Northern Himalayas. The study purposively included 136 participants (68 cases and 68 controls). The control group included healthy women aged 18-45 currently staying with sexual partners. Data were collected using pretested and standardized self-report questionnaires.

Results

The median age of the case group was 36 (interquartile range (IQR), 29-42) years, while that of the control group was 29 (IQR 26-34) years. The prevalence of SD was significantly higher (P = 0.001) in cases (95.3%) than in controls (73.4%). Compared to healthy controls, women with schizophrenia have a significantly higher rate of SD in sexual desire (P = 0.001), getting arousal (P < 0.001), lubrication (P < 0.001), achieving orgasm (P < 0.001), and sexual satisfaction (P < 0.001) (except pain). In addition, the marital relationship was better managed (P < 0.001) in healthy controls compared with cases. The healthy control group significantly expressed a better quality of life in physical (P < 0.001), psychological (P < 0.001), and maintaining social (P < 0.001) relationships (except environment domains). In multivariable logistic regression analysis, employment status significantly predicted SDs (odds ratio (OR), 25.78; 95% confidence interval (CI), 2.09, 318.10; P < 0.05) in participants.

Conclusion

The prevalence of SD is significantly high among female participants. Hence, treating physicians should pay attention to sexual function during the screening and treatment of patients with schizophrenia.

Symptom contributors to quality of life in schizophrenia: Exploratory factor and network analyses

Individuals with schizophrenia and other associated disorders experience significant disturbance to their quality of life (QoL) due to a multitude of co-occurring symptoms. Popular evidence-based practices (EBPs) devote significant effort to reduce positive symptomatology in order to prevent relapse, while emerging research posits that other symptoms (cognitive deficits, negative and affective symptoms) are more indicative of QoL disturbance. This study sought to examine the impact of symptom constructs on QoL and attempt to infer directionality of influence via network analysis. A total of 102 recovery phase adult outpatients with schizophrenia spectrum disorders were assessed on positive, negative, and affective symptomatology, in addition to QoL and cognitive abilities. Exploratory factor analysis and network analysis were performed to identify associations and infer directed influence between symptom constructs, and a directed acyclic graph was constructed to observe associations between symptom domains and QoL. Factor analysis results indicated that individual measures align with their respective symptom constructs. Strong factor correlations were found between QoL and the negative and affective symptom constructs, with weaker associations found between positive symptoms and cognition. Visualization of the network structure illustrated QoL as the central cluster of the network, and examination of the weighted edges found the strongest connectivity between QoL, negative symptomatology, and affective symptoms. More severe negative and affective symptoms were most directly linked with poorer QoL and may prove to be integral in attaining positive outcomes in schizophrenia treatment. Incorporation of psychosocial treatments in addition to pharmacotherapy may prove effective in targeting negative and affective symptoms.

Subjective quality of life and schizophrenia: results from a large cohort study based in Chinese primary care

INTRODUCTION

Much confusion exists between health-related QoL (HRQoL) scales and subjective QoL (SQoL) scales. One method to avoid confusion is use of a single question that asks What is your quality of life? or similar. This study explored the relationship between biopsychosocial factors and high SQoL, SQoL stability, and factors associated with improving SQoL.

METHOD

We conducted a large cohort study of community-dwelling Chinese adults with schizophrenia, with two data points (2015-2016 (N = 742), 2017-2018 (N = 491)). Demographic and clinically related items and a comprehensive suite of published measures were collected. Direct logistic regressions were used to explore links between biopsychosocial factors and high SQoL and Improvement in SQoL across time.

RESULTS

Sample at Baseline: Male = 62.3%; Med age = 38.5 years; Med Age at illness onset = 24 years; SQoL Mode = neither poor nor good. Three independent variables predicted high SQoL at T1. Contemporary age and the presence of clinically relevant symptoms had a negative relationship with high SQoL; insight had a positive relationship with high SQoL. SQoL changed significantly across time with a modest effect size. Age at illness onset was the single independent variable linked to improving SQoL favoring being older at the time of illness onset.

DISCUSSION/CONCLUSIONS

SQoL can be high and changeable. While symptomology and illness insight may affect SQoL self-appraisals at single points in time, only age of illness onset was connected with improving SQoL. Thus, public health measures to delay illness onset are important. In addition, care about the distinction between HRQoL and SQoL in study design and choice of measures is necessary and will depend on the purpose and context.

Which psychological interventions improve quality of life in patients with schizophrenia-spectrum disorders? A meta-analysis of randomized controlled trials

Quality of life (QoL) is a major patient reported outcome used to measure the psychological treatments success in people with schizophrenia-spectrum disorders. To date, the specific impact of different interventions on QoL remains undefined. A meta-analysis of Randomized Controlled Trials (RCTs) was carried out for this purpose. We searched Proquest, PUBMED/MEDLINE, PsycINFO, WOS, Scopus, the Cochrane Library for RCTs published until January 2023. We used multilevel meta-analysis to examine differences between intervention effectiveness of experimental and control conditions whilst accounting for data dependencies. By means of subgroup analyses, we investigated influences of intervention types (i.e. psychoeducation v. CBT v. cognitive v. combination of several types v. other, such as psychodynamic, systemic, etc.) and continuous moderators were examined with precision-weighted meta-regressions. The generalizability of results across moderators, their combinations, and analytical approaches was investigated with multiverse meta-analyses. We examined data of 60 independent studies, reporting intervention effects for objective and subjective QoL (k = 19 and 70 effect sizes based on N = 1024 and 6254 participants, respectively). Overall, psychological interventions seemed to be more effective for objective than for subjective QoL. However, specific intervention results were differentiated, suggesting largest effects of psychoeducation on objective and combined interventions on subjective QoL. Our findings suggest that QoL is a valid outcome criterion for testing intervention effectiveness, as it is sensitive to change. Additionally, psychological interventions can improve patients' QoL, though the effects are small. Further testing of less widely used interventions and a shift toward the multidimensional nature of QoL is still necessary.

Treatment of schizophrenia evaluated via the pharmacopsychometric triangle-An integrative approach with emphasis on well-being and functioning

Quantification of treatment response is crucial to optimize outcomes for patients with schizophrenia. In this study, we evaluated the relationship between quantitative measures of clinician-rated symptom severity and self-rated side effects, well-being, and functioning among inpatients with schizophrenia using the six-item version of the Positive and Negative Syndrome Scale (PANSS-6), the Glasgow Antipsychotic Side-effect Scale (GASS), the WHO-Five Well-being Index (WHO-5), and the Sheehan Disability Scale (SDS). All measurements were conducted as close to admission and discharge as possible. Well-being and functioning were found to be most strongly associated with the additive effect of symptoms and side effects, while changes in side effects, well-being, and functioning appeared to be relatively independent from changes in symptom severity. The use of both symptom and side effect measures should inform clinical decision-making in the treatment of schizophrenia, as it has the potential to optimize functioning and well-being.

A Systematic Review and Meta-Analysis of the Association Between Psychopathology and Social Functioning in Schizophrenia

BACKGROUND

Impaired social functioning is a major, but under-elucidated area of schizophrenia. It's typically understood as consequential to, eg, negative symptoms, but meta-analyses on the subject have not examined psychopathology in a broader perspective and there's severe heterogeneity in outcome measures. To enhance functional recovery from schizophrenia, a more comprehensive understanding of the nature of social functioning in schizophrenia is needed.

STUDY DESIGN

In this systematic review and meta-analysis, we searched PubMed, PsycInfo, and Ovid Embase for studies providing an association between psychopathology and social functioning. Meta-analyses of the regression and correlation coefficients were performed to explore associations between social functioning and psychopathology, as well as associations between their subdomains.

STUDY RESULTS

Thirty-six studies with a total of 4742 patients were included. Overall social functioning was associated with overall psychopathology (95% CI [-0.63; -0.37]), positive symptoms (95% CI [-0.39; -0.25]), negative symptoms (95% CI [-0.61; -0.42]), disorganized symptoms (95% CI [-0.54; -0.14]), depressive symptoms (95% CI [-0.33; -0.11]), and general psychopathology (95% CI [-0.60; -0.43]). There was significant heterogeneity in the results, with I2 ranging from 52% to 92%.

CONCLUSIONS

This is the first systematic review and meta-analysis to comprehensively examine associations between psychopathology and social functioning. The finding that all psychopathological subdomains seem to correlate with social functioning challenges the view that impaired social functioning in schizophrenia is mainly a result of negative symptoms. In line with classical psychopathological literature on schizophrenia, it may be more appropriate to consider impaired social functioning as a manifestation of the disorder itself.

Spontaneous Brain Activity Alterations in First-Episode Psychosis: A Meta-analysis of Functional Magnetic Resonance Imaging Studies

BACKGROUND AND HYPOTHESIS

Several studies have shown that spontaneous brain activity, including the total and fractional amplitude of low-frequency fluctuations (LFF) and regional homogeneity (ReHo), is altered in psychosis. Nonetheless, neuroimaging results show a high heterogeneity. For this reason, we gathered the extant literature on spontaneous brain activity in first-episode psychosis (FEP), where the effects of long-term treatment and chronic disease are minimal.

STUDY DESIGN

A systematic research was conducted on PubMed, Scopus, and Web of Science to identify studies exploring spontaneous brain activity and local connectivity in FEP estimated using functional magnetic resonance imaging. 20 LFF and 15 ReHo studies were included. Coordinate-Based Activation Likelihood Estimation Meta-Analyses stratified by brain measures, age (adolescent vs adult), and drug-naïve status were performed to identify spatially-convergent alterations in spontaneous brain activity in FEP.

STUDY RESULTS

We found a significant increase in LFF in FEP compared to healthy controls (HC) in the right striatum and in ReHo in the left striatum. When pooling together all studies on LFF and ReHo, spontaneous brain activity was increased in the bilateral striatum and superior and middle frontal gyri and decreased in the right precentral gyrus and the right inferior frontal gyrus compared to HC. These results were also replicated in the adult and drug-naïve samples.

CONCLUSIONS

Abnormalities in the frontostriatal circuit are present in early psychosis independently of treatment status. Our findings support the view that altered frontostriatal can represent a core neural alteration of the disorder and could be a target of treatment.

Exploring cross-sectional and longitudinal symptomatic remission and subjective quality of life in schizophrenia

Achieving symptomatic remission, as defined by the Remission in Schizophrenia Working Group, is intended to be a meaningful outcome for individuals with schizophrenia, resulting in enhanced well-being. Cross-sectional studies have reported an association between symptomatic remission and subjective quality of life (QoL). Longitudinal studies aimed at examining this association have showed mixed results. The aim of this study was to explore the relationship between symptomatic remission and subjective QoL, both cross-sectionally and longitudinally. The study comprised data from what were at most 386 patients with schizophrenia, of whom 122-140 were followed over a period of four years. Based on cross-sectional remission status and longitudinal remission pattern, differences in subjective QoL were explored. Remission status was assessed using the Positive and Negative Syndrome Scale (PANSS), and subjective QoL using the Short Form-36 Health Survey (SF-36). Both the cross-sectional and the longitudinal approach showed that patients in symptomatic remission had significantly higher subjective QoL. Patients who were in non-remission at baseline, but who achieved remission at follow-up, also had significantly higher subjective QoL at follow-up compared with baseline. The results from the study show a clear association between symptomatic remission and subjective QoL. However, achieving symptomatic remission does not appear to be a guarantee of sustained subjective QoL, and only continued stable remission appears to result in such an outcome.

Investigation of Neurocognitive Deficits, Quality of Life, and Functional Performance in Ultra-High-Risk Individuals Compared to Familial High-Risk Individuals for Schizophrenia

Objective: This study aimed to investigate neurocognitive functioning, quality of life, and global functional performance in Ultra-High Risk (UHR) individuals compared to Familial High-Risk (FHR) individuals for developing schizophrenia. Method : An observational cross-sectional study was conducted using a convenient sampling method at Roozbeh Hospital in Tehran, Iran, from June 2017 to January 2020. The study included 40 UHR individuals based on the Structured Interview for Psychosis Syndrome (SIPS) interview, as well as 34 FHR individuals due to genetic risk. Neurocognitive functioning, quality of life, and global functional performance were assessed by using the Cambridge Automated Neuropsychological Test Battery (CANTAB) and Controlled Oral Word Association Test (COWAT), Quality of Life Scale (QLS), and Global Assessment of Functioning (GAF). Results: UHR individuals for schizophrenia demonstrated significant lower scores in phonemic and semantic verbal fluency (t = 6.218, P < 0.001; t = 4.184, P < 0.001, respectively), more total errors for spatial working memory (t = -5.874, P < 0.001), and fewer problems solved in minimum moves in Stocking of Cambridge (SOC) (t = -2.706, P < 0.01) compared to FHR individuals. Intra-Extra Dimension (IED) did not differ significantly between the two groups. Moreover, the study indicated significant GAF decline (F = 79.257, P < 0.001) and lower total score on the QLS (t = -10.655, P < 0.001) in UHR compared to FHR individuals. Conclusion: It is possible to differentiate UHR individuals from FHR individuals through neurocognitive, quality of life, and global functioning assessment.

Mediating effect of symptom severity on the relationship between aggression, impulsivity and quality of life outcomes among patients with schizophrenia and related psychoses

Aims

Aggression and impulsivity among individuals with schizophrenia have been associated with poor clinical outcomes including worsening of symptoms and substance abuse which have been linked to a lower quality of life (QoL). The current study aimed to look at the mediating effect of symptom severity on the relationship between aggression, impulsivity and QoL among outpatients with schizophrenia and related psychoses in a multi-ethnic Asian population.

Methods

Data (n = 397) were collected from outpatients seeking treatment at the Institute of Mental Health. The World Health Organization quality of life-BREF (WHOQOL-BREF) scale, the symptoms checklist-90 revised (SCL-90-R), Buss Perry aggression questionnaire (BPAQ), and the Barratt impulsiveness scales (BIS) were used to assess subjective well-being, symptom severity, aggression, and impulsivity, respectively. Mediation analysis was performed using the PROCESS macro to understand the mediating effect of symptom severity.

Results

Motor impulsivity (MI) was indirectly associated with both the physical and psychological health domains of QoL while self-control was indirectly associated with the physical, psychological, and environmental health QoL domains through increased symptom severity.

Conclusion

The significant indirect effect of symptom severity in our study highlights one potential pathway through which impulsivity impacts the QoL of individuals with schizophrenia and related psychoses. Elucidating other factors besides symptom severity that have an indirect effect on the QoL of individuals provides alternative approaches for treatment through which better clinical outcomes can be achieved.

Impact of negative symptoms on health-related quality of life in schizophrenia

Evidence regarding the association of Negative Symptoms (NS) dimensions with Health-related Quality of Life (HRQoL) is limited and no prior study has looked into contributions of NS domains on HRQoL. This study bridges the gap by examining the associations of NS, its two dimensions (Motivation and Pleasure, and Emotional Expressivity) and five domains (Anhedonia, Avolition, Asociality, Blunted affect and Alogia) with HRQoL in schizophrenia. 274 individuals with schizophrenia were assessed on the Positive and Negative Syndrome Scale (PANSS) and Brief Negative Symptom Scale (BNSS). PANSS scores were mapped to EuroQol five-dimensional (EQ-5D-5L) utility scores using an algorithm previously validated in Singapore, and the resulting EQ-5D-5L scores were used as a measure of HRQoL. Multiple linear regression analyses of the two NS dimensions and five NS domains against EQ-5D-5L showed that a lower severity of NS, specifically that of the Motivation and Pleasure (MAP) dimension and asociality domain was associated with higher HRQoL. Our findings highlight the importance of targeting NS, particularly MAP and asociality, in improving HRQoL in schizophrenia.

Impact of severe mental illnesses on health-related quality of life among patients attending the Institute of Psychiatry, Rawalpindi from 2019 to 2021: A cross-sectional study

BACKGROUND

Severe mental illnesses have huge impact on health-related quality of life. They contribute to significant morbidity in terms of number of number of years of life lost in form DALYS (disability adjusted life years) and shorter life expectancy and early mortality. There is limited evidence on their burden in low- and middle-income countries like Pakistan.

OBJECTIVE

To determine the health-related quality of life in patients suffering from severe mental illness (schizophrenia, depression, and bipolar affective disorder) and demographic factors associated with poor health related quality of life in these patients.

METHODOLOGY

This was descriptive cross sectional, using retrospective record view of data. Study was done under IMPACT (Improving Mental And Physical health Together) Program, which conducted a multi-morbidity survey conducted at institute of psychiatry, Benazir Bhutto hospital, Rawalpindi, using EQ 5d 5l (EURO QOL 5D5L) questionnaire having both subjective (EQVAS) and objective domains.

RESULTS

The study included 922 SMI patients, of whom 555 participants (60.2%) were males and 367(39.69%) were females. The participants suffered from major depressive disorder (422;45.8%), followed by bipolar affective disorder (392; 42.51%) and schizophrenia (108;11.7%). Most participants were in a younger age group with (80%) of population being below 50 years old and had education level below secondary education (57.4%). In the analysis of association between EQ-VAS (subjective quality of life scale) and demographic factors, a significant association was found for marital status(p<0.001), gender (p< 0.001) and education (p< 0.001). Women had lower EQ-VAS scores (M = 49.43±SD = 27.72) as compared to males (M = 58.81±SD = 27.1) and individuals with lower educational status also had lower mean scores. Additionally, participants who were single, divorced or widowed also had lower mean EQVAS scores. When health related quality of life was analyzed across SMI, it was lower in all SMI, but was significantly lower for depression in both subjective and objective domains of health related of quality-of-life instrument.

CONCLUSION

Health related quality of life is an important outcome measure and regular assessment of both subjective and objective aspects should be incorporated in management plans of patients suffering from severe mental illnesses.

Switching from Monthly to Three-Monthly Long-Acting Injectable Paliperidone: A Survey on Subjective Satisfaction and Safety

Introduction

Poor adherence to antipsychotic medication is common in the treatment of schizophrenia and other psychotic disorders. Paliperidone palmitate 3-monthly (PP3M) is the first long-acting injectable (LAI) antipsychotic to allow for only four medication administrations per year, and although there is sufficient information available about the clinical effects, there is relatively limited insight into the subjective experience of people with lived experience.

Methods

This descriptive, cross-sectional survey explored patient's satisfaction and perspectives on the advantages and disadvantages of switching from monthly to 3-monthly paliperidone while also reporting on perceived levels of safety with regard to the reducing dose regimen during the Covid-19 pandemic. Information on discontinuation and hospitalisation rates at one year was also collected from the electronic records.

Results

Of the 46 patients included in the study, the vast majority reported feeling satisfied (89.2%) and safer (93.5%) after switching to the three-monthly formulation. Participants highlighted several advantages of changing to PP3M, most notably convenience (93.5%), improved quality of life (58.7%), decreased stigma (39.1%) and better adherence (28.3%). Furthermore, 93.5% of respondents experienced no disadvantages, while 6.5% described worsening side effects or symptoms. In fact, only one patient discontinued PP3M at one year with the overall number of hospitalisations also reducing in the same period compared to the year before switching.

Discussion

Our findings add to the small, but growing, body of evidence supporting patient satisfaction and acceptance with the use of PP3M and may reinforce the use of less frequent LAIs in clinical practice to enhance individual experience and treatment persistence and decrease levels of stigmatisation.

Mapping the schizophrenia quality of life scale to EQ-5D, HUI3 and SF-6D utility scores in patients with schizophrenia

OBJECTIVES

The current study aimed to map the disease-specific Schizophrenia Quality of Life Scale (SQLS) onto the three- and five-level EuroQol five-dimension (EQ-5D-3 L and EQ-5D-5 L), Health Utility Index Mark 3 (HUI3) and Short Form six-dimensional (SF-6D) preference-based instruments to inform future cost-utility analyses for treatment of patients with schizophrenia.

METHODS

Data from 251 outpatients with schizophrenia spectrum disorders was included for analysis. Ordinary least square (OLS), Tobit and beta regression mixture models were employed to estimate the utility scores. Three regression models with a total of 66 specifications were determined by goodness of fit and predictive indices. Distribution of the original data to the distributions of the data generated using the preferred estimated models were then compared.

RESULTS

EQ-5D-3 L and EQ-5D-5 L were best predicted by the OLS model, including SQLS domain scores, domain-squared scores, age, and gender as explanatory predictors. The models produced the best performance index and resembled most closely with the observed EQ-5D data. HUI3 and SF-6D were best predicted by the OLS and Tobit model respectively.

CONCLUSION

The current study developed mapping models for converting SQLS scores into generic utility scores, which can be used for economic evaluation among patients with schizophrenia.

Disability and quality of life in patients with treatment-resistant schizophrenia on long- term clozapine therapy

Objectives

To assess disability and quality of life (QOL) in treatment resistant schizophrenia (TRS) on long term clozapine therapy and assess their correlation with positive, negative and cognitive symptoms.

Methodology

Disability and QOL in forty patients with TRS (as per modified Kane's criteria) were assessed using World Health Organization Disability Assessment Schedule 2.0 and World Health Organization Quality of Life-BREF. Scale for assessment of positive symptoms, scale for assessment of negative symptoms and Addenbrooke's cognitive examination-III were used to assess positive, negative and cognitive symptoms. Medication adherence rating scale assessed medication adherence.

Results

Disability and QOL correlated significantly with medication adherence, negative and cognitive symptoms but not with positive symptoms. Subgroup analysis revealed significant difference between medication adherence (good vs poor) and cognitive (impairment vs non-impairment) groups.

Conclusion

Negative and cognitive symptoms, and medication adherence correlated with disability and QOL.

Do the Components of Attenuated Positive Symptoms Truly Represent One Construct?

BACKGROUND AND HYPOTHESES

Psychosis-risk inventories, like the Structured Interview for Psychosis-Risk Syndromes (SIPS), utilize symptom components and coalesce the information into a single-severity rating. These components include frequency, duration, in-the-moment conviction, retrospective insight, distress, and effect on social/role functioning. While combining components distills a great deal of important information into one practical symptom rating, this approach may mask important details of the greater clinical picture.

STUDY DESIGN

Individuals at clinical high risk for psychosis (n = 115) were assessed with the SIPS Score Separable Components (SSSC) scale, created to accompany the SIPS positive items by dividing each item into the 7 components identified above. The latent structure of the SSSC was identified with an exploratory factor analysis (EFA). The factors were followed up with validation analyses including hypothesized cognitive, functioning, and symptom measures. Finally, clinical utility analyses were conducted to understand relationships between psychosis risk and common comorbidities.

STUDY RESULTS

EFA revealed that the SSSC had 3 interpretable factors with the appropriate fit (rmsr = 0.018, TLI = 0.921): Conviction (in-the-moment conviction, retrospective insight), Distress-Impairment (distress, social/role functioning), and Frequency/Duration (frequency, duration). Conviction was minimally valid, Distress-Impairment had excellent validity, and Frequency/Duration was not related to any of the candidate validators. Conviction significantly predicted elevated psychosis risk. Distress-Impairment was related to common comorbid symptoms. Notably, the factors associated more strongly with clinical features than the traditional SIPS scores.

CONCLUSIONS

The SSSC offers a supplemental approach to single-severity ratings, providing useful clinical insight, mechanistic understanding, and the potential for better capturing heterogeneity in this population.

Personal recovery suits us all: A study in patients with non-affective psychosis, unaffected siblings and healthy controls

Personal recovery transcends illness and is a unifying human experience. Core elements in personal recovery are hope, meaning, and rebuilding oneself. Here we aim to investigate whether factors associated with personal recovery in patients with non-affective psychosis, unaffected siblings and healthy controls are similar. We investigated the association between personal recovery and resilience, social support, socio-demographic and illness-related variables in 580 patients, 630 siblings, and 351 healthy controls who participated in the Genetic Risk and Outcome of Psychosis (GROUP) study. Bi-variate associations between personal recovery and individual variables were assessed and multiple linear regression analyses were performed to estimate the proportion of variance in personal recovery that could be accounted for by the predictors and to investigate which predictors independently added to the model. Positive self was significantly and independently associated with personal recovery in all three groups. Pro-active action taking also seems to be important. Social functioning significantly contributed to explained variance in patients and siblings. Regarding illness-related factors, depressive symptoms had impact on personal recovery in both patients and siblings, whereas positive symptoms only did in siblings. The findings imply that not only personal recovery itself, but also some associated factors are universally human and suit us all. This means that patients and non-patients share supportive factors of personal recovery which may help to reach mutual understanding. Recovery-oriented practices and mental health services might be more effective when focusing also on improving self-image, functional coping styles and generating social interaction, next to the reduction of affective symptoms.

Quality of life and psychiatric distress in people with serious mental illness, the role of personal recovery

OBJECTIVES

When considering the personal recovery of people with serious mental illness (SMI), it is essential to examine their reported psychiatric distress and quality of life (QoL). However, there is no consolidated model in the literature that clearly relates these variables. In this study we first analysed the relationships between QoL, psychiatric distress and recovery, and several sociodemographic variables. Second, we analysed the linear effects of psychiatric distress and recovery on QoL. Third, and most important, we tested two hypotheses that considered personal recovery as a moderator or mediator of the relationship between psychiatric distress and QoL.

DESIGN AND METHODS

234 volunteers with a diagnosis of SMI completed three self-report questionnaires, The Recovery Assessment Scale-24, The World Health Organization QoL and the Clinical Outcomes in Routine Evaluation-Outcome Measure, which showed very good levels of validity and reliability. The PROCESS macro for SPSS developed by Hayes (Introduction to mediation, moderation, and conditional process analysis: A regression-based approach, The Guilford Press, 2022) was applied using the Bootstrap method to verify our moderation and mediation hypotheses.

RESULTS

We found a negative linear effect of psychiatric distress on QoL, as well as a positive effect of recovery on said variable. Our results do not confirm the moderating effect of recovery on the relationship between distress and QoL. However, we do confirm the second hypothesis; recovery functioned as a mediating variable between psychiatric distress and QoL.

CONCLUSIONS

These findings allow us to reflect on how personal recovery affect the relationship between psychiatric distress and QoL and discuss its theoretical and practical implications as public policies.

The efficacy and safety of cariprazine in the early and late stage of schizophrenia: a post hoc analysis of three randomized, placebo-controlled trials

BACKGROUND

The aim of the post hoc analysis was to better understand the efficacy and safety of cariprazine in patients with schizophrenia for less than 5 years (early stage) and for more than 15 years (late stage).

METHODS

Data from three phase II/III randomized, double-blind, placebo-controlled trials with similar design in patients with acute exacerbation of schizophrenia were pooled and patients with early and late stage of schizophrenia were determined. A mixed-effects model for repeated measures approach was applied and least square (LS) mean changes from baseline to week 6 on the Positive and Negative Syndrome Scale (PANSS) total and factor scores were reported. Descriptive statistics were used for safety analyses including treatment emergent adverse events (TEAEs) and discontinuation rates.

RESULTS

Overall, 460 patients were identified as being in the early and 414 in the late stage of schizophrenia. The pooled analysis evaluating mean change from baseline to week 6 in the PANSS total score indicated statistically significant difference between cariprazine and placebo in favor of cariprazine in both the early (LS mean difference [LSMD] -7.5 P < .001) and late stage (LSMD -6.7, P < .01) subpopulation. Early stage patients experienced similar amount of TEAEs (CAR 67.3%, PBO 54.1%) as patients in the late stage (CAR 69.6%, PBO 65.6%).

CONCLUSION

In conclusion, cariprazine, a potent D₃-D₂ partial agonist has been found to be safe and effective in the treatment of early and late stage schizophrenia.

Impact of Cognitive Impairments on Health-Related Quality of Life in Schizophrenia

The impact of cognitive impairments on the health-related quality of life (HRQoL) in individuals with schizophrenia is unclear. The aim of this study was to examine the association between cognitive impairments and HRQoL in individuals with schizophrenia. A total of 609 individuals with schizophrenia were assessed on the Positive and Negative Syndrome Scale (PANSS) and a neurocognitive battery which comprised of the Wechsler Abbreviated Scale of Intelligence matrix reasoning, the Benton Judgment of Line Orientation Test, Continuous Performance Tests-Identical Pairs, and the Brief Assessment of Cognition in Schizophrenia. A cognitive factor g was derived from the neurocognitive battery. EuroQol five-dimensional (EQ-5D-5L) utility scores were derived from PANSS scores via a previously validated algorithm and used as a measure of HRQoL. Hierarchical multiple regression was conducted to examine the association between cognitive factor g and the EQ-5D-5L. Cognitive factor g (β = 0.189, t = 4.956, p < 0.001) was found to be significantly associated with EQ-5D-5L scores. Age (β = -0.258, t = -6.776, p < 0.001), sex (β = 0.081, t = 2.117, p = 0.035), and being employed (β = 0.091, t = 2.317, p = 0.021) were also significant predictors of EQ-5D-5L. Our results add to the extant literature on the burden cognitive impairments exact in individuals with schizophrenia. More research is needed to develop effective interventions for cognitive impairments in schizophrenia.

Exploring the role of ketone bodies in the diagnosis and treatment of psychiatric disorders

In recent times, advances in the field of metabolomics have shed greater light on the role of metabolic disturbances in neuropsychiatric conditions. The following review explores the role of ketone bodies and ketosis in both the diagnosis and treatment of three major psychiatric disorders: major depressive disorder, anxiety disorders, and schizophrenia. Distinction is made between the potential therapeutic effects of the ketogenic diet and exogenous ketone preparations, as exogenous ketones in particular offer a standardized, reproducible manner for inducing ketosis. Compelling associations between symptoms of mental distress and dysregulation in central nervous system ketone metabolism have been demonstrated in preclinical studies with putative neuroprotective effects of ketone bodies being elucidated, including effects on inflammasomes and the promotion of neurogenesis in the central nervous system. Despite emerging pre-clinical data, clinical research on ketone body effectiveness as a treatment option for psychiatric disorders remains lacking. This gap in understanding warrants further investigating, especially considering that safe and acceptable ways of inducing ketosis are readily available.

The relationship between psychopathology, occupational balance, and quality of life among people with schizophrenia

OBJECTIVE

There is an increased risk of occupational imbalance and poor quality of life (QoL) if one has schizophrenia. Although evidence suggests a relationship between psychopathology and QoL, the association of occupational balance (OB) with QoL in schizophrenia is unclear. This study aimed to investigate the associations among psychopathology, occupational balance, and QoL in schizophrenia.

METHODS

This was a cross-sectional study carried out in a Community Mental Health Center (CMHC). Ninety-five individuals aged 18 years or older with the diagnosis of schizophrenia participated in the study. All participants completed a sociodemographic form, Positive and Negative Syndrome Scale (PANSS), Calgary Depression Scale in Schizophrenia (CDSS), Occupational Balance Questionnaire-11 Turkish Version (OBQ11-T), and the World Health Organisation Quality of Life Assessment Instrument (WHOQOL-100-TR). Relationships among clinical and depressive symptoms, OB, and QoL variables were examined through correlation analysis, and then multiple linear regression analysis was performed to determine the variables that have influences on QOL.

RESULTS

The study participants had low OB scores and the lowest mean in the WHOQOL-social relationships subscale. WHOQOL-overall QoL score demonstrated a moderate negative correlation with the PANSS-total score and PANSS-general psychopathology subscale score (r = -0.422, r = -0.463, P < 0.001) and a mild negative correlation with the CDSS-total score (r = -0.390, P < 0.001). OBQ11-T total score showed a moderate positive correlation with the WHOQOL-overall score (r = 0.549; P < 0.001). Findings from the multiple linear regression analysis revealed that OBQ11-T (β = -0.467, P = 0.000) and PANSS-general psychopathology (β = -0.221, P = 0.045) were significant predictors of the overall QoL, explaining 48% of the variance in the overall QoL (adjusted R²  = .43, P < 0.001).

CONCLUSION

Our study findings showed that OB and general psychopathology are determinants that should be considered in improving the QoL in individuals with schizophrenia. Thereby, addressing the symptoms of general psychopathology and occupational factors to improve the QoL may be achieved with the incorporation of occupation-based programmes to routine treatment. However, further research is required.

Health-related quality of life in severe psychotic disorders during integrated care: 5-year course, prediction and treatment implications (ACCESS II)

Purpose

Studies on outcomes mapping Quality of Life (QoL) as patient-reported outcome over a longer period in severe psychotic disorders are scarce. However, such data would be particularly important for structuring, implementing and operating effective and efficient care models and for promoting satisfaction with care, service engagement and adherence.

Methods

The ACCESS II study is a prospective long-term study of an integrated care model for people with severe psychotic disorders. The model includes Therapeutic Assertive Community Treatment within a cross-sectoral and interdisciplinary network. This publication analyses the course of QoL assessed with the Q-LES-Q-18 using a mixed model for repeated measures.

Results

Mapping the course of QoL in N = 329 participants, there is a significant increase in the first 6 weeks of treatment (early course). Comparison to a published norm show significant lower QoL for severe psychotic disorders. The variable having a traumatic event before the age of 18 was significantly negatively associated with QoL. A decrease in the severity of depressive as well as in positive symptomatology in the first six weeks after admission was associated with increase of QoL.

Conclusion

Results indicate that the overall symptom burden at time of inclusion is not decisive for the perceived QoL in the long-term course while the reduction in the severity of depressive and positive symptoms is important. This means focusing even more on the treatment of depressive symptoms and include traumatherapeutic aspects in the long-term treatment of severe psychotic disorders if needed.

Trail registration

ClinicalTrials.gov (identifier: NCT01888627).

Relationship between patterns of cannabis use and functional and symptomatic trajectories in first-episode psychosis

Cannabis use is common in first-episode psychosis (FEP) but evidence is mixed about the extent to which cannabis use predicts symptoms and functional outcomes among those who seek treatment. This study sought to characterize cannabis use patterns and examine the relationship with clinical outcomes, including interactions with early intervention services (EIS). Data were drawn from the Recovery After an Initial Schizophrenia Episode-Early Treatment Program (RAISE-ETP) study including FEP individuals receiving treatment at sites randomized to provide either EIS (NAVIGATE) or community care (CC). Cannabis use was assessed monthly and symptom and functioning data were collected at baseline, 6, 12, 18, and 24 months. Among the 404 participants enrolled, 334 were classified into four cannabis use groups (consistent, sporadic, stopped, and never users) based on their use during the first year. Consistent and sporadic cannabis users were younger, whereas those who had stopped using were older. Sporadic users had the highest depression and the lowest functioning at baseline and improved less during treatment in negative emotions and intrapsychic foundations (e.g., motivation and sense of purpose) than non-users. However, sporadic users who received NAVIGATE improved more in overall symptoms and functioning than those who received CC. Consistent users did not tend to differ in their trajectories from non-users. Individuals with FEP who use cannabis sporadically showed less clinical improvement than non-users. However, EIS treatment reduced the negative effects of sporadic cannabis use on clinical outcomes. Those who use cannabis sporadically may have unique needs that require attention in EIS.

Quality of life after involuntary psychiatric admission

Studies seeking predictors of outcomes after involuntary admission, including quality of life (QoL), are limited and results inconsistent. We aimed to describe QoL 3 months after involuntary psychiatric admission and to investigate associated factors. One hundred and fifty-three involuntarily admitted inpatients were assessed for a range of sociodemographic and clinical variables. Structured scales included the Brief Psychiatric Rating Scale (BPRS), the MacArthur Admission Experience Survey, the Heinrichs Quality of Life Scale and the World Health Organisation Quality of Life Brief Assessment (WHOQOL-BREF, n = 124). The mean total score on the Heinrichs QoL scale at 3 months was 69.3 (SD = 24.1). Predictors of higher 3 month QoL after involuntary admission in a multiple regression model (adjusted R² = 0.37, F = 7.1 (14, 138), p ≤0.001) were less severe negative symptoms on the BPRS at baseline (B = -4.56, p < 0.001), improvement in negative symptom scores between baseline and follow up (B = 4.58, p < 0.001) and higher current social class (B = -14.31, p = 0.001). Events during involuntary admission, such as being subject to coercive experiences, were not significantly associated with QoL after admission. The results suggest that a core determinant of service users' QoL after involuntary admission is negative symptom severity and change over time.

Inflammation in first-episode psychosis: The contribution of inflammatory biomarkers to the emergence of negative symptoms, a systematic review and meta-analysis

OBJECTIVE

To provide a comprehensive analysis of cytokine perturbations in antipsychotic-naïve first-episode psychosis (FEP) populations and assess the relationship between inflammatory biomarkers and negative symptom severity.

METHODS

A systematic review and meta-analysis following PRISMA guidelines were conducted. A total of 1042 records were identified via systematic search of EMBASE, MEDLINE and APA PsycInfo databases. Sixteen studies met the inclusion criteria and were eligible for inclusion in the review. Ten of these studies had sufficient data for inclusion in a random effects, pooled-effect meta-analysis.

RESULTS

A significant and large effect size was reported for IFN-γ, IL-6 and IL-12, and a moderate effect size reported for IL-17 (p = <0.05) in people with antipsychotic naive first episode psychosis, compared to healthy controls, suggesting a significant elevation in proinflammatory cytokine concentration. Non-significant effect sizes were reported for TNF-α, IL-1β, IL-2, IL-4, IL-8 and IL-10 (p = >0.05). Regarding proinflammatory cytokines and relationships to negative symptomology, moderate positive relationships were reported for negative symptoms and IL-1β, IL-2, IL-6 and TNF-α, across four studies. For anti-inflammatory cytokines, one strong and one weak-to-moderate negative relationship was described for IL-10 and negative symptoms. Contrastingly, a strong positive relationship was reported for IL-4 and negative symptoms.

CONCLUSION

There is evidence of significantly elevated proinflammatory cytokines in antipsychotic-naïve FEP populations, alongside promising findings from cohort data suggesting an interaction between inflammation and primary negative symptomology. Future studies should seek to come to a consensus on a panel of cytokines that relate most specifically to negative symptoms, and consider longitudinal studies to investigate how cytokine fluctuations may relate to exacerbation of symptoms.

Influence of positive and negative symptoms on hedonic and eudaemonic well-being in people with schizophrenia: A longitudinal analysis from the EuroSc study

BACKGROUND

Subjective well-being in people with schizophrenia is likely to be impaired by positive and negative psychotic symptoms. However, these may impact differentially on hedonic (satisfaction and interest in life) and eudaemonic (optimal psychological and social functioning) components.

AIMS

We hypothesized that positive symptoms would influence the hedonic component, while negative symptoms would be linked to eudaemonic well-being.

METHODS

We tested this using longitudinal data (N = 1208) from the EUROSC study. Measures were repeated after 6, 12, 18 and 24 months. Hedonic and eudaemonic features were identified using the Quality of Life Interview. Positive and negative symptoms were assessed with the Positive and Negative Syndrome Scale. We used latent variable structural equation modelling to investigate the impact of positive and negative symptoms at each of the four data points on well-being components 6 months later, controlling for depressed mood.

RESULTS

The measurement model yielded acceptable fit. People with higher scores on positive symptoms at a given time-point were more likely to report lower scores for hedonic components six months later (6-, 12-, and 24-month), whereas we found no significant paths from negative symptoms to hedonic or eudaemonic features.

CONCLUSIONS

Although we found a longitudinal influence of positive symptoms on hedonic well-being, negative symptoms had no effect on either hedonic or eudaemonic components. While symptom reduction strategies may be helpful for hedonic well-being, the amelioration of eudaemonic features may require targeted psychosocial programmes to help individuals attain more rewarding lives.

The examination of sleep hygiene, quality of life, and schizotypy in young adults

The co-occurrence of sleep disruption and schizophrenia-spectrum symptomology is common, with current research supporting the use of interventions, such as cognitive behavioral therapy for insomnia (CBTi), which include sleep hygiene education. Sleep hygiene refers to patterns of pre-sleep behaviors that can promote or impair sleep. These behaviors are easily identified and modifiable, potentially holding promise as targets of research and clinical practice. However, there is little research examining sleep hygiene in those at-risk for schizophrenia, measured through clusters of sub-clinical symptoms known as schizotypy. Given the likelihood poor sleep exacerbates negative emotions, thus serving as an etiologically relevant stressor, the study of sleep hygiene in at-risk populations appears warranted. Additionally, quality of life (QOL) has previously been shown to be negatively associated with sleep hygiene and schizophrenia-spectrum risk. As such, QOL domains were included to quantify the extent pre-sleep habits and dimensional schizotypy impact individuals' wellbeing. Data was collected from a non-clinical sample of 385 young adults (M = 20.83, SD = 3.61). As anticipated, higher schizotypy was correlated with poorer sleep hygiene and reduced QOL, although only negative schizotypy predicted QOL in the final regression model controlling for sex differences. Sex differences were present for all variables of interest except disorganized schizotypy. Post-hoc item-level analyses suggested that higher levels of schizotypy were correlated with emotional rumination prior to sleep, while increased negative schizotypy was associated with reduced QOL. Future research should further evaluate sleep hygiene as a potentially relevant risk variable in the development of schizophrenia-spectrum symptomology and associated decline in QOL.

The puzzle of quality of life in schizophrenia: putting the pieces together with the FACE-SZ cohort

BACKGROUND

The determinants of quality of life (QoL) in schizophrenia are largely debated, mainly due to methodological discrepancies and divergence about the concepts concerned. As most studies have investigated bi- or tri-variate models, a multivariate model accounting for simultaneous potential mediations is necessary to have a comprehensive view of the determinants of QOL. We sought to estimate the associations between cognitive reserve, cognition, functioning, insight, depression, schizophrenic symptoms, and QoL in schizophrenia and their potential mediation relationships.

METHODS

We used structural equation modeling with mediation analyses to test a model based on existing literature in a sample of 776 patients with schizophrenia from the FondaMental Foundation FACE-SZ cohort.

RESULTS

Our model showed a good fit to the data. We found better functioning to be positively associated with a better QoL, whereas better cognition, better insight, higher levels of depression, and schizophrenic symptoms were associated with a lower QoL in our sample. Cognitive reserve is not directly linked to QoL, but indirectly in a negative manner via cognition. We confirm the negative relationship between cognition and subjective QoL which was previously evidenced by other studies; moreover, this relationship seems to be robust as it survived in our multivariate model. It was not explained by insight as some suggested, thus the mechanism at stake remains to be explained.

CONCLUSION

The pathways to subjective QoL in schizophrenia are complex and the determinants largely influence each other. Longitudinal studies are warranted to confirm these cross-sectional findings.