Geriatric anxiety inventory: factor structure and associations with cognitive status

Adapting Measurement-Based Care to VA Home-Based Primary Care Mental Health Treatment: A Quality Improvement Project

OBJECTIVES

This quality improvement project sought to develop guidance for Home-Based Primary Care (HPBC) Mental Health (MH) clinicians on integrating Measurement-Based Care (MBC) into their practice and gain participating psychologists' feedback on their experience using MBC for treating mental health concerns with HBPC Veterans.

METHODS

Based on feedback from the HBPC MH community and in consultation with national leadership, a workgroup of HBPC psychologists developed a guide tailoring MBC to HBPC Veterans. Eight HBPC psychologists piloted the adapted MBC approach with 53 Veterans. Participating psychologists provided feedback on measure administration, Veterans' responses to MBC, and perceived benefits and challenges.

RESULTS

Pilot participants' feedback suggested that MBC can be a highly useful tool for delivering mental health services in HBPC, although feedback varied about specific MBC measures. Qualitative feedback was primarily positive, but participants noted challenges based on the nature of the presenting problem and Veteran-specific characteristics.

CONCLUSIONS

Findings indicate that MBC can be utilized with appropriate HBPC Veterans and has the potential to benefit care. Further research is needed to clarify factors that enhance or reduce MBC's utility within HBPC.

CLINICAL IMPLICATIONS

HBPC MH providers identified MBC as a useful tool particularly when adapted to meet the needs of HBPC Veterans.

Anxiety in late-life depression: Associations with brain volume, amyloid beta, white matter lesions, cognition, and functional ability

OBJECTIVES

Late-life depression (LLD) is common and frequently co-occurs with neurodegenerative diseases of aging. Little is known about how heterogeneity within LLD relates to factors typically associated with neurodegeneration. Varying levels of anxiety are one source of heterogeneity in LLD. We examined associations between anxiety symptom severity and factors associated with neurodegeneration, including regional brain volumes, amyloid beta (Aβ) deposition, white matter disease, cognitive dysfunction, and functional ability in LLD.

PARTICIPANTS AND MEASUREMENTS

Older adults with major depression (N = 121, Ages 65-91) were evaluated for anxiety severity and the following: brain volume (orbitofrontal cortex [OFC], insula), cortical Aβ standardized uptake value ratio (SUVR), white matter hyperintensity (WMH) volume, global cognition, and functional ability. Separate linear regression analyses adjusting for age, sex, and concurrent depression severity were conducted to examine associations between anxiety and each of these factors. A global regression analysis was then conducted to examine the relative associations of these variables with anxiety severity.

RESULTS

Greater anxiety severity was associated with lower OFC volume (β = -68.25, t = -2.18, p = .031) and greater cognitive dysfunction (β = 0.23, t = 2.46, p = .016). Anxiety severity was not associated with insula volume, Aβ SUVR, WMH, or functional ability. When examining the relative associations of cognitive functioning and OFC volume with anxiety in a global model, cognitive dysfunction (β = 0.24, t = 2.62, p = .010), but not OFC volume, remained significantly associated with anxiety.

CONCLUSIONS

Among multiple factors typically associated with neurodegeneration, cognitive dysfunction stands out as a key factor associated with anxiety severity in LLD which has implications for cognitive and psychiatric interventions.

The traditional Chinese version of the Geriatric Anxiety Inventory: Psychometric properties and cutoff point for detecting anxiety

The study aimed to translate the Geriatric Anxiety Inventory into traditional Chinese (GAI-TC), examine its psychometric properties, and identify the optimal cutoff point. This research recruited 337 older adults from two community activity centers. Structured questionnaires were used, including demographic information and characteristics, the GAI-TC, and the State-Trait Anxiety Inventory (STAI). Cronbach's α of the GAI-TC was 0.93. The intraclass correlation coefficient was 0.90. The content validity index was 1.0. An exploratory factor analysis revealed that three factors in the GAI-TC, including cognition anxiety, impact of anxiety, and somatic anxiety, explained 59.46 % of the variance. The criterion-related validity showed a significant positive correlation between the GAI-TC and STAI, with an optimal cutoff of 9/10 for detecting anxiety in older persons living in the community. The GAI-TC had good reliability and validity and can provide professionals with a tool for the early identification of anxiety among older adults.

Validation of the Geriatric Anxiety Inventory in younger adults

This study investigated the psychometric properties of the Geriatric Anxiety Inventory (GAI) in younger adults. Participants were 212 younger adults age M = 22 (range = 17–53) years. They completed a demographic information questionnaire and self-report measures: the GAI, the Depression Anxiety Stress Scales (DASS), the Generalized Anxiety Disorder–7 (GAD-7), the Patient Health Questionnaire–9 (PHQ-9), the Penn State Worry Questionnaire (PSWQ), and the Worry Behaviors Inventory (WBI). Data from the GAI were collected at two time points, one week apart, and data from other self-report measures were collected once via Qualtrics, an online survey platform. The internal consistency and test–retest score reliability of the GAI were excellent. It had good congruent validity with other anxiety measures, limited divergent validity with depression measures, and sound convergent validity with worry measures. The GAI showed good discrimination between probable cases and noncases of generalized anxiety disorder (participants who scored ⩾8 on the GAD-7) and its optimal cutoff score for probable cases of GAD was ⩾12. A unidimensional component structure of the GAI best fit this study’s data. This study has provided preliminary evidence that the GAI is reliable and valid for use in an Australian sample of younger adults.

A Cross-National Analysis of the Psychometric Properties of the Geriatric Anxiety Inventory

OBJECTIVES

Assessing late-life anxiety using an instrument with sound psychometric properties including cross-cultural invariance is essential for cross-national aging research and clinical assessment. To date, no cross-national research studies have examined the psychometric properties of the frequently used Geriatric Anxiety Inventory (GAI) in depth.

METHOD

Using data from 3,731 older adults from 10 national samples (Australia, Brazil, Canada, The Netherlands, Norway, Portugal, Spain, Singapore, Thailand, and United States), this study used bifactor modeling to analyze the dimensionality of the GAI. We evaluated the "fitness" of individual items based on the explained common variance for each item across all nations. In addition, a multigroup confirmatory factor analysis was applied, testing for measurement invariance across the samples.

RESULTS

Across samples, the presence of a strong G factor provides support that a general factor is of primary importance, rather than subfactors. That is, the data support a primarily unidimensional representation of the GAI, still acknowledging the presence of multidimensional factors. A GAI score in one of the countries would be directly comparable to a GAI score in any of the other countries tested, perhaps with the exception of Singapore.

DISCUSSION

Although several items demonstrated relatively weak common variance with the general factor, the unidimensional structure remained strong even with these items retained. Thus, it is recommended that the GAI be administered using all items.

A Systematic Review of the Psychometric Properties of the Geriatric Anxiety Inventory

The Geriatric Anxiety Inventory (GAI) and its short form (GAI-SF) are self-reported scales used internationally to assess anxiety symptoms in older adults. In this study, we conducted the first critical comprehensive review of these scales' psychometric properties. We rated the quality of 31 relevant studies with the COSMIN checklist. Both the GAI and GAI-SF showed adequate internal consistency and test-retest reliability. Convergent validity indices were highest with generalized anxiety measures; lowest with instruments relating to somatic symptoms. We detected substantial overlap with depression measures. While there was no consensus on the GAI's factorial structure, we found the short version to be unidimensional. Although we found good sensitivity and specificity for detecting anxiety, cut-off scores varied. The GAI and GAI-SF are relevant instruments showing satisfactory psychometric properties; to broaden their use, however, some psychometric properties warrant closer examination. This review calls attention to weaknesses in the methodological quality of the studies.

Assessment of anxiety in older adults: psychometric properties and relationships with self-reported functional impairment

OBJECTIVE

The current study aimed to examine the psychometric properties of two geriatric anxiety measures: the Geriatric Anxiety Inventory (GAI) and the Geriatric Anxiety Scale (GAS). This study also aimed to determine the relationships of these measures with two measures of functional ability and impairment: the Barkley Functional Impairment Scale (BFIS) and the Everyday Cognition Scale (E-Cog).

DESIGN

Confirmatory factor analyses (CFA) were used to analyze the factor structures of the GAI and GAS in older adults. Tests for dependent correlations were used to examine the relationship between anxiety scales and functioning.

SETTING

Amazon's Mechanical Turk.

PARTICIPANTS

348 participants (aged 55-85, M= 62.75 (4.8), 66.5% female) with no history of psychosis or traumatic brain injury.

RESULTS

CFAs supported the previously demonstrated bifactor solution for the GAI. For the GAS, the previously demonstrated three-factor model demonstrated a good-to-excellent fit. Given the high correlation between the cognitive and affective factors (r =.89), a bifactor solution was also tested. The bifactor model of the GAS was found to be primarily unidimensional. Tests for dependent correlations revealed that the GAS demonstrated stronger relationships with measures of self-reported functional impairment than the GAI.

CONCLUSIONS

The current study provides further psychometric validation of the factor structure of two geriatric anxiety measures in an older adult sample. The results support previous work completed on the GAI and the GAS. The GAS was more strongly correlated with self-reported functional impairment than the GAI, which may reflect differences in content in the two measures.

Item response analysis of the Geriatric Anxiety Inventory among the elderly in China: dimensionality and differential item functioning test

BACKGROUND

Anxiety symptoms are pervasive among elderly populations around the world. The Geriatric Anxiety Inventory (the GAI) has been developed and widely used in screening those suffering from severe symptoms. Although debates about its dimensionality have been mostly resolved by Molde et al. (2019) with bifactor modeling, evidence regarding its measurement invariance across sex and somatic diseases is still missing.

METHODS

This study attempted to provide complemental evidence to the dimensionality debates of the GAI with Mokken scale analysis and to examine its measurement invariance across sex and somatic diseases by conducting differential item functioning (DIF) analysis among a sample of older Chinese adults. The data was from responses of a large representative sample (N = 1314) in the Chinese National Survey Data Archive, focusing on the mental health of elderly adults.

RESULTS

The results of Mokken scale analysis confirmed the unidimensionality of the GAI, and DIF analysis indicated measurement invariance of this inventory across individuals with different sex and somatic diseases, with just a few items exhibiting item bias but all of them negligible.

CONCLUSIONS

All these findings supported the use of this inventory among Chinese elders to screen anxiety symptoms and to make comparisons across sex and somatic diseases.

The Iranian version of geriatric anxiety inventory (GAI-P): a validation study

BACKGROUND

Anxiety is one of the most common mental health problems experienced by the elderly that affects quality of life. This study aimed to assess the psychometric properties of the Persian version of the Geriatric Anxiety Inventory (GAI-P) in order to provide a valid instrument for measuring anxiety in this population.

METHODS

Forward-backward translation was used to translate the Geriatric Anxiety Inventory from English into Persian and was tested by 10 elderly to assess its face validity. Then a sample of elderly people attending health centers in Dezful, Iran completed the questionnaire. Validity was assessed using both exploratory and confirmatory factors analysis, known-groups comparison (abused and non-abused elderly) also was administered. The internal consistency of the instrument was assessed using Kuder-Richardson 20 coefficients (KR-20). Afterwards, the reliability and validity through assessing the correlation between the Persian version of the GAI-P and the SF-36, were measured.

RESULTS

In all 720 elderly completed the questionnaire. Of these data from 420 elderly were used for exploratory factor analysis and the data from the remaining 300 elderly were used for confirmatory factor analysis. The exploratory factor analysis showed a three-factor solution (cognitive, arousal and somatic) for the questionnaire that jointly explained 59.48% of the overall variance observed. The confirmatory factor analysis supported the three-factor solution and the second-order latent factor model. The findings indicated a positive and significant correlation between the two measures lending support to its concurrent validity (r = 0.67, p < .001).Ultimately, the Geriatric Anxiety Inventory was found to have a favorable internal consistency.

CONCLUSION

This study confirmed that the GAI-P is a valid measure of anxiety in elderly population and now can be used in geriatric studies in Iran.

Validation of the Geriatric Anxiety Inventory in Chilean older people

OBJECTIVE

Currently in Chile there is a lack of validated tools for measuring anxiety in the elderly population. Considering this, the purpose of this study was to validate the Geriatric Anxiety Inventory (GAI) in the country.

METHOD

An analysis of the psychometric properties of the GAI was carried out, using a non-clinical sample of 301 older adults in the Metropolitan and Valparaíso regions of Chile. Older people were asked about anxiety, rumination, depression, well-being and sociodemographic data.

RESULTS

An excellent internal reliability was obtained with a Cronbach score of 0.931. An adequate convergent validity was observed with the Depression scales (CES-D) (Rho = 0.549, p < .01), Rumination (RSS) (Rho = 0.618; p < 0.01) and Experiential avoiding (Rho = 0.485; p < 0.01). On the other hand, the discriminant validity of the psychological well-being scale presented a negative correlation of Rho = -0.699 (p < 0.01). Finally, and Exploratory Factor Analysis was made, revealing a one-dimensional model of the instrument.

CONCLUSION

The Geriatric Anxiety Inventory has very good psychometric properties measuring anxiety in elderly people, being an adequate instrument for the screening of anxiety on this population.

Mindfulness mechanisms and psychological effects for aMCI patients: A comparison with psychoeducation

Amnestic mild cognitive impairment (aMCI), an Alzheimer's disease prodrome, is characterized by cognitive and psychological symptoms, the latter aggravating prognosis. A mindfulness-based intervention (MBI) represents a promising non-pharmacological framework for Alzheimer's disease prevention. The Monitoring + Acceptance Theory (MAT) postulates that MBI improves cognition through monitoring, and psychological well-being, through acceptance. This single-blind preliminary randomized-controlled study investigated the effects of a MBI on anxio-depressive symptoms, quality of life, and memory, compared to a psychoeducation-based intervention in older adults with aMCI. The contribution of MAT components and of ruminations' reduction to intervention efficacy were examined. Participants assigned to both conditions experienced similar benefits regarding anxio-depressive symptoms and aging-related quality of life. General quality of life and memory remained unchanged. A partial support of the MAT and of ruminations reduction to the MBI's efficacy was found. The findings provide new insights on the effects and mechanisms of a MBI on aMCI symptoms.

Assessment of anxiety in older adults: a review of self-report measures

With increasing numbers of older adults in the general population, anxiety will become a widespread problem in late life and one of the major causes of health care access contributing to high societal and individual costs. Unfortunately, the detection of anxiety disorders in late life is complicated by a series of factors that make it different from assessment in younger cohorts, such as differential symptom presentation, high comorbidity with medical and mental disorders, the aging process, and newly emergent changes in life circumstances. This review covers commonly and currently used self-report inventories for assessing anxiety in older adults. For each tool, psychometric data is investigated in depth. In particular, information about reliability, validity evidence based on data from clinical and nonclinical samples of older adults, and availability of age-appropriate norms are provided. Finally, guidance for clinical evaluation and future research are proposed in an effort to highlight the importance of clinical assessment in the promotion of clinically relevant therapeutic choices.

Symptoms of Anxiety in Older Adults with Depression, Dementia, or Psychosis: A Principal Component Analysis of the Geriatric Anxiety Inventory

AIMS

The primary aim of this study was to examine anxiety symptoms as measured by the Geriatric Anxiety Inventory (GAI) in older patients with depression, dementia, or psychotic disorders. The secondary aim was to conduct a principal component analysis (PCA) of the GAI and to examine whether its subscales differ between the 3 disorders.

METHODS

We included data from 428 patients who were admitted to a department of geriatric psychiatry and examined according to a standardized protocol. The GAI was used to measure current anxiety symptoms.

RESULTS

The GAI symptoms occurred more frequently in the group with depression than in the other 2 groups. The PCA of the GAI with oblimin rotation resulted in a 2-component solution, labelled as "worries" (explained variance 46.3%, Cronbach's α 0.92) and "physical symptoms" (explained variance 7.1%, Cronbach's α 0.85).

CONCLUSION

The results indicate that in old age, anxiety is especially prevalent in depression. The 2-component solution indicates that the GAI measures 2 different aspects of anxiety with different symptomatology.

Psychometric properties of the French Canadian version of the Geriatric Anxiety Inventory

BACKGROUND

The Geriatric Anxiety Inventory (GAI) and a short form of this instrument (GAI-SF) were developed to assess the severity of anxiety symptoms in older adults in order to compensate for the lack of validated screening tools adapted to the elderly population. This study examined the psychometric properties of the French Canadian version of the GAI, in its complete (GAI-FC) and short form (GAI-FC-SF).

METHOD

A total of 331 community-dwelling seniors between 65 and 92 years old participated in this study.

RESULTS

Both the GAI-FC and the GAI-FC-SF have sound psychometric properties with, respectively, a high internal consistency (α = .94 and .83), an adequate convergent validity (r = .50 to .86 with instruments known to evaluate constructs similar to the GAI or related to anxiety), a good test-retest reliability (r = .89 and .85), in addition to a single-factor structure.

CONCLUSIONS

The results support the use of both the GAI-FC and the GAI-FC-SF. The GAI-FC-SF seems to be an interesting alternative to the GAI-FC as a screening tool when time available for assessment is limited.

A Bifactor and item response analysis of the geriatric anxiety inventory

BACKGROUND

Due to previously reported mixed findings, there is a need for further empirical research on the factorial structure of the commonly used Geriatric Anxiety Inventory (GAI). Therefore, the psychometric properties of the GAI and its short form version (GAI-SF) were evaluated in a psychogeriatric mixed in-and-out patient sample (n = 543).

METHODS

Unidimensionality was tested using a bifactor analysis. Rasch modeling was used to assess scale properties. Sex, cognitive functioning and depressive symptoms were tested for differential item functioning (DIF).

RESULTS

The bifactor analysis identified an essential unidimensional (general) factor structure but also specific local factors. The general factor comprises all the 20 items as one factor, and the results showed that the variance in the general and specific factors (subscale) scores is best explained by the single general factor. These findings were demonstrated for both versions of the GAI. Furthermore, the Rasch models identified extensive item overlap, indicating redundant items in the full version of the GAI. The GAI-SF also seems to extract much of the same information as the full form. Test scores and items have the same meaning for older adults across different demographic status.

CONCLUSION

The findings support the use of a total sum score for both GAI and GAI-SF. Notably, when using the GAI-SF, no information is lost, in comparison with the full scale, thus, supporting the option of choosing the short form (version) when considered most appropriate in demanding clinical contexts.

Factor structure of the Chinese version of the geriatric anxiety inventory

BACKGROUND

As China's population ages, the mental health of older people has been increasingly focused on by academic circles.

PURPOSE

The aim of this study was to identify the factor structure of the Chinese version of the geriatric anxiety inventory (GAI-CV).

METHODS

This study used data collected from Investigation on the anxiety symptoms of the elderly in the city of Beijing supported by scientific research fund project of Renmin University of China. Cronbach's α was used to test internal consistency reliability. Both confirmatory and exploratory factor analyses were performed separately for factor analysis.

RESULTS

1318 subjects with mean age 71.35 ± 7.44 years (male 40.6 %) were involved. Principal components analysis revealed a three-factor structure of the GAI-CV. GAI-CV scales exhibited good internal consistency (Cronbach's α = 0.937) and a three-factor model fit the data well [comparative fit index (CFI) = 0.891, root mean square error of approximation (RMSEA) = 0.084].

CONCLUSIONS

The Chinese version of the GAI appears to be reliable and valid to measure anxiety for elderly people in China.

Validation of the geriatric anxiety inventory in a duloxetine clinical trial for elderly adults with generalized anxiety disorder

BACKGROUND

The Generalized Anxiety Inventory (GAI) has been developed for use in the assessment of anxiety symptoms in older adults (≥ 65 years), but previous validation work has not examined the psychometric qualities of the instrument in relation to treatment. The objective of this study was to examine the performance of the GAI for its internal reliability, convergent and divergent validity, and its sensitivity to treatment.

METHODS

Elderly patients with generalized anxiety disorder (GAD) participated in a 10-week double-blind study of duloxetine treatment for patients with GAD. Anxiety symptoms were assessed with the Hamilton Anxiety Rating Scale (HAMA), the Hospital Anxiety and Depression Scale (HADS) anxiety and depression subscales, and the GAI. Internal reliability of the GAI was assessed with Cronbach's α. Correlations among the HAMA, HADS, and GAI scores were analyzed to determine convergent and divergent validity. Patients were also compared on remission status using recommended cut-off scores for the GAI.

RESULTS

Patients with GAD, who were at least 65 years of age, were randomly assigned to double-blind treatment with either duloxetine (N = 151) or placebo (N = 140) for 10 weeks acute therapy. The mean change on the GAI was significantly greater with duloxetine compared with placebo treatment (-8.36 vs. -4.96, respectively, p ≤ 0.001). The GAI demonstrated good internal consistency, good convergent and divergent validity, but suggested cut-off values for caseness with the GAI did not correspond to remission status as measured by the HAMA.

CONCLUSIONS

Within an elderly patient population with GAD, the GAI demonstrated sound psychometric qualities and sensitivity to change with treatment.

Anxiety is not associated with the risk of dementia or cognitive decline: the Rotterdam Study

OBJECTIVE

Anxiety and depression frequently co-occur in the elderly and in patients with dementia. Prior research has shown that depression is related to the risk of dementia, but the effect of anxiety on dementia remains unclear. We studied whether anxiety symptoms and anxiety disorders are associated with the risk of dementia and cognition.

METHODS

We studied 2,708 nondemented participants from the prospective, population-based Rotterdam Study who underwent the Hospital Anxiety and Depression Scale (HADS) (sample I, baseline 1993-1995) and 3,069 nondemented participants who underwent screening for anxiety disorders (sample II, baseline 2002-2004). In 1993-1995, anxiety symptoms were assessed using the HADS. In 2002-2004, anxiety disorders were assessed using the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition. In both study samples, participants were continuously monitored for dementia until January 1, 2011. Cognition was tested in 2002-2004 and at a follow-up visit in 2009-2011 in sample II only.

RESULTS

In sample I, 358 persons developed dementia, and in sample II, 248 persons developed dementia. We did not find an association with the risk of dementia for anxiety symptoms (hazard ratio 1.05, 95% confidence interval: 0.77-1.43, Wald statistic 0.08, p = 0.77, df = 1) or for anxiety disorders (hazard ratio 0.92, 95% confidence interval: 0.58-1.45, Wald statistic 0.14, p = 0.71, df = 1). We could demonstrate an association of anxiety disorders with poor cognition cross-sectionally, but this attenuated after additional adjustments.

CONCLUSION

Our findings do not offer evidence for an association between anxiety symptoms or anxiety disorders with the risk of dementia or with cognition. This suggests that anxiety is not a risk factor nor a prodrome of dementia in an elderly, community-dwelling population.