Reliability and known-group validity of the Arabic version of the 8-item Morisky Medication Adherence Scale among type 2 diabetes mellitus patients

Arabic translation and cultural adaptation of Hill-Bone compliance to high blood pressure therapy scale

Background

Adherence to prescription medications is vital to the success of any treatment plan, especially for chronic health conditions, such as hypertension (HTN). Although there are different scales used in assessing adherence to prescription medications, most if not all, of those scales are not available in Arabic. The absence of essential assessment tools makes the appraisal of adherence to prescription medications very difficult for native Arabic speakers. Therefore, this study aimed to translate and validate the Hill-Bone Compliance to High Blood Pressure Therapy (CHBPT) scale, which is commonly used to assess adherence to antihypertensive medications, among a sample of Arabic-speaking patients with HTN.

Methods

This was a single-center cross-sectional study that took place at a university-affiliated hospital. It interviewed adult (≥18 years) patients with HTN who were visiting the primary care clinics between January and November 2020. Non-Arabic speakers, those under 18 years of age, individuals without a diagnosis of HTN, and patients without any previously filled prescription medications for HTN within the past three months were excluded. The forward-backward translation method was used after receiving permission from the originators of the questionnaire to translate their scale to Arabic. Test-retest and Cronbach alpha methods were used to assess the reliability. Principal component analysis with varimax rotation was used to examine the construct validity.

Results

One hundred and forty-one patients consented and participated in the study. Most of the patients were ≥ 50 years old (75 %), male (72 %), and had another chronic health condition besides HTN (99 %). The translated scale had good internal consistency (Cronbach alpha = 0.83) and reliability (intraclass correlation coefficient of 0.9). The Kaiser-Meyer-Oklin was 0.82 indicating adequate sampling to conduct factor analysis; hence, three factors (e.g., subscales) were extracted similar to the original scale. The mean scores for appointment keeping, medication taking, and reducing sodium intake subscales, as well as for the overall scale were 5.62 ± 1.39, 33.94 ± 3.87, 9.73 ± 2.1, and 49.29 ± 5.21, respectively.

Conclusion

The translated version of the Hill-Bone CHBPT scale has both good reliability and validity and will hopefully help healthcare providers assess and monitor HTN patients' adherence to their antihypertensive medication regimens. Multicenter studies should be conducted to verify the validity and reliability of the translated questionnaire among different Arabic-speaking patient populations with HTN.

Treatment satisfaction with disease-modifying therapy is the only predictor of Adherence among multiple sclerosis patients from Upper Egypt

Despite the proven efficacy of the disease-modifying therapy (DMT) for multiple sclerosis (MS), the rates of non-adherence are frequently high. We aimed to evaluate the rate of non-adherence to the first DMT in Upper Egypt and identify different contributing factors. Out of 310 patients, ninety-seven adult patients with RRMS were recruited from three MS units located in Upper Egypt and were subjected to the following: complete clinical history, expanded disability status score (EDSS), Eight-item Morisky Medication Adherence Scale (MMAS-8), abbreviated Treatment Satisfaction Questionnaire for Medication-9 (TSQM-9), Hamilton depression scale, Fatigue Severity Scale (FSS) and the Pittsburgh Sleep Quality Index (PSQI). According to MMAS-8 scores, 63 (64.9%) of patients were non-adherent to their first DMT. Non-adherent patients are more likely to have longer disease duration (p = 0.002), longer duration on first DMT (p = 0.030), first DMT-start date before 2019 (p = 0.040), and lower treatment satisfaction scores (p = 0.016). However, there was no significant relation with physical disability, depression, fatigue, or sleep quality. On the regression analysis model, a lower treatment satisfaction score was the only predictor of DMT non-adherence (p = 0.012). Despite expanding DMT options, non-adherence among MS patients in Upper Egypt is high. Treatment satisfaction with DMT is the only predictor of adherence among MS patients of Upper Egypt. Adherence and satisfaction with the prescribed DMT should be assessed carefully to maximize DMT benefits.

Association of treatment satisfaction and physician trust with glycemic control among primary care patients with type 2 diabetes in Egypt

Objectives

To evaluate the association of diabetes treatment satisfaction and trust in family physicians with glycemic control among primary care patients with type 2 diabetes mellitus.

Methods

A cross-sectional study on 319 patients with type 2 diabetes mellitus from five primary healthcare centers in Egypt. Data were collected from February to August 2021 using a structured questionnaire that contained six parts: sociodemographic data, disease profile, the Diabetes Treatment Satisfaction Questionnaire (DTSQ), 8-item Morisky Medication Adherence Scale (MMAS-8), self-reported medication knowledge questionnaire (MKQ), and revised healthcare relationship trust scale (HCR). Multiple linear regression analysis was used to assess predictors of treatment satisfaction, physician trust, and HbA1c level. P values less than 0.05 were considered significant.

Results

The mean age was 59.66 years (± 7.87 years) and 55.17% were females. Multiple linear regression analysis for predicting HbA1c showed that HbA1c level was lower in patients with higher treatment satisfaction scores (β =  - 0.289, p < 0.001) and higher medication adherence scores (β =  - 0.198, p = 0.001). Treatment satisfaction scores were positively predicted by higher physician trust scores (β = 0.301, p < 0.001), increased medication adherence scores (β = 0.160, p = 0.002), and longer duration of diabetes (β = 0.226, p < 0.001). Positive predictors for physician trust included HbA1c level (β = 0.141, p = 0.012), medication knowledge (β = 0.280, p < 0.001), diabetes treatment satisfaction (β = 0.366, p < 0.001) and medication adherence (β = 0.146, p = 0.011).

Conclusion

Optimizing diabetes treatment satisfaction and physician trust could have favorable associations with medication adherence and medication knowledge with a possible improvement in glycemic control. Family physicians should incorporate patients reported outcomes alongside traditional clinical measures in evaluating diabetes management in primary care.

Quality of measurement properties of medication adherence instruments in cardiovascular diseases and type 2 diabetes mellitus: a systematic review and meta-analysis

BACKGROUND

Medication adherence has a major impact on reducing mortality and healthcare costs related to the treatment of cardiovascular diseases and diabetes mellitus. Selecting the best patient-reported outcome measure (PROM) among the many available for this kind of patient is extremely important. This study aims to critically assess, compare and synthesize the quality of the measurement properties of patient-reported outcome measures to assess medication adherence among patients with cardiovascular diseases and/or type 2 diabetes mellitus.

METHODS

This review followed the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) guidelines and was reported according to the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA). The searches were performed in Web of Science, SCOPUS, PubMed, CINAHL, EMBASE, LILACS, PsycINFO, and ProQuest (gray literature).

RESULTS

A total of 110 records encompassing 27 different PROMs were included in the review. The included records were published between 1986 and 2023, most of which reported studies conducted in the United States and were published in English. None of the PROMs were classified in the category "a", thus being recommended for use due to the quality of its measurement properties. The PROMs that should not be recommended for use (category "c") are the MTA, GMAS, DMAS-7, MALMAS, ARMS-D, and 5-item questionnaire. The remaining PROMs, e.g., MMAS-8, SMAQ, MEDS, MNPS, ARMS-12, MGT, MTA-OA, MTA-Insulin, LMAS-14, MARS-5, A-14, ARMS-10, IADMAS, MAQ, MMAS-5, ProMAS, ARMS-7, 3-item questionnaire, AS, 12-item questionnaire, and Mascard were considered as having the potential to be recommended for use (category "b").

CONCLUSION

None of the included PROMs met the criteria for being classified as trusted and recommended for use for patients with cardiovascular diseases and/or type 2 diabetes mellitus. However, 21 PROMs have the potential to be recommended for use, but further studies are needed to ensure their quality based on the COSMIN guideline for systematic reviews of PROMs.

SYSTEMATIC REVIEW REGISTRATION

PROSPERO CRD42019129109.

Does Ramadan Intermittent Fasting Affect the Fasting Blood Glucose Level among Type II Diabetic Patients?

BACKGROUND

The level of fasting blood glucose (FBG) is influenced by several factors, including health status, genetics, and diet. Some studies have reported a beneficial effect of Ramadan Intermittent Fasting (RIF) on diabetic patients. However, clinical observations have shown that diabetes is exacerbated in some patients.

AIM

This study aims to investigate the influence of RIF on the FBG level, a biomarker of hyperglycemia and diabetes, and to identify factors associated with variations in FBG levels during RIF among diabetic patients.

METHODS

This study is a cross-sectional study. We monitored the FBG levels of 181 type II diabetic patients over a two-month period, from 20 February to 20 April 2023, which represents the Islamic lunar months of Shaban (8th month) and Ramadan (9th month). Ramadan provides a prominent month of intermittent fasting practice for studying its physiological effects on diabetes. We collected clinical data from each participant, including demographic information, co-morbidities, and medications used during this period.

RESULTS

Based on our findings, diabetic patients were classified into three groups depending on the influence of RIF on FBG levels: the positively affected group (44%), whose average FBG levels were reduced; the neutrally affected group (24%), whose average FBG levels did not change; and the negatively affected group (32%), whose average FBG levels increased during the fasting month of Ramadan compared to the previous month. Furthermore, we found that the positive effect of RIF was more frequent among obese, non-geriatric, and male diabetic patients, while the negative effect of RIF was more frequent among patients who were not adhering to the medication.

CONCLUSIONS

This study concludes that RIF affects FBG levels differently among diabetic patients. These findings should be taken into consideration when treating diabetic patients during the fasting month of Ramadan, and further studies are needed to identify (1) factors associated with inter-individual variation in the response to RIF and (2) those who are great candidates for RIF.

Adherence to levothyroxine treatment among patients with hypothyroidism in Oman: a national cross-sectional study

OBJECTIVE

Hormone replacement therapy with levothyroxine is considered the treatment of choice for hypothyroidism; however, non-adherence is a major contributor to poor treatment outcomes. This study aimed to evaluate levels of drug adherence (DA) to levothyroxine therapy among Omani adults with hypothyroidism and to explore related sociodemographic and clinical factors.

METHODS

A national, multi-center, cross-sectional survey was carried out from August to December 2021 at 18 primary healthcare centers across all governorates of Oman. A total of 415 Omani adults were recruited. Data were collected using a pre-tested, Arabic-language questionnaire completed by trained researchers during face-to-face interviews with the participants. Level of DA was determined using the 8-item Morisky Medication Adherence Scale (MMAS-8).

RESULTS

A total of 400 Omani adults participated in the study (response rate: 96.4%). The mean age was 41.9 ± 12.4 years old (range: 18-78 years) and 90.3% were female. According to their MMAS-8 scores, 157 (39.2%), 139 (34.8%), and 104 (26.0%) participants demonstrated low, medium, and high DA, respectively. No significant correlations were observed between level of DA and any sociodemographic or clinical characteristics, including age, gender, education, duration of treatment, and family history of thyroid disease (p > 0.050).

CONCLUSIONS

Only a quarter of Omani patients with hypothyroidism reported high levels of adherence to levothyroxine treatment, likely as a result of lack of awareness of the disease and the importance of maintaining an euthyroid state. Further studies using more objective measures of DA are recommended to determine correlates of non-compliance to levothyroxine therapy among Omani patients.

Socio-personal factors affecting adherence to treatment in patients with type 2 diabetes: A systematic review and meta-analysis

PURPOSE

The purpose of study was to identify the socio-personal factors affecting adherence to the treatment of patients with type 2 diabetes.

METHODS

Cross-sectional articles were extracted from databases such as Web of Science, PubMed, Elsevier. A meta-analysis was performed using integrated odds ratios (OR) and 95% confidence interval (CIs) for age, BMI, depression, educational level, gender, employment status, marital status, smoking status. STATA 12.0 was used to estimate pooled RR in definite subgroups. The quality of the studies included was evaluated using the STROBE checklist.

RESULTS

Thirty-one studies out of 7407 extracted articles were finally selected for the meta-analysis. The results showed that younger people had a 17% higher risk than older people, smokers had a 22% higher risk than non-smokers, and the employed had a 15% higher risk of non-adherence to treatment.

CONCLUSION

In conclusion, older age, smoking and employment can lead to non-adherence to T2D treatment. Interventions are suggested to be made besides common health care considering the socio-personal features on type 2 diabetes patients' treatment adherence.

Adherence to Levothyroxine Treatment Among Patients With Hypothyroidism in Madinah, Saudi Arabia: A Cross-Sectional Study

BACKGROUND

Hypothyroidism is one of the most prevalent chronic diseases worldwide. The key factor for a good clinical outcome for hypothyroidism is medication adherence, as the mainstay treatment of hypothyroidism is lifelong hormonal replacement therapy, Levothyroxine (LT4). Poor adherence to LT4 is not only linked to great healthcare costs but also to significant economic burdens.

OBJECTIVES

The aim of this study is to assess the medication adherence of patients on LT4 treatment in the Madinah region and its association with socio-demographic characteristics, participants' experience with hypothyroidism and taking LT4, and Morisky Medication Adherence Scale 8-Item (MMAS-8).

METHODOLOGY

A cross-sectional study was conducted on 420 hypothyroidism patients on LT4 for at least three months in the Madinah region using a self-administered electronic form. The variables in the questionnaire included socio-demographic characteristics, participants' experience with hypothyroidism and taking LT4, and MMAS-8.

RESULTS

This study included a total of 420 patients with 81% being females, 52.1% aged 40 years and above, and 91% living in Madinah City. The study shows an overall poor adherence rate toward taking LT4, where the vast majority, 66.7% of the participants, had a low adherence level toward taking LT4, 23.3% had a moderate adherence level, and only 10% had a high adherence level. Results of the multivariate logistic regression showed that the following factors predicted a higher rate of a high level of adherence toward taking levothyroxine, being 50-59 years old, being 60 years or older, and following up regularly in the clinic.

CONCLUSION

Patients with hypothyroidism showed low adherence to LT4.

Medication adherence among patients with cardiovascular diseases: a cross-sectional study

Background

Medication adherence has been recognised as one of the greatest areas to improve health outcomes and reduce health expenditure. Poor medication adherence has multifactorial causes that need to be understood.

Aim

To determine the levels of medication adherence and examine the factors associated with medication adherence among patients with cardiovascular diseases (CVDs) in Jordan.

Methods

A cross-sectional, descriptive correlational design was used to conduct this study. A convenience sample was used to recruit 250 patients with CVDs from outpatient clinics of Jordanian hospitals. Data were collected using the Multidimensional Scale of Perceived Social Support and Morisky Medication Adherence Scale, in addition to sociodemographic and clinical-related factors during the period from June to September 2019.

Results

It was found that the total mean score of medication adherence was 2.84 (standard deviation = 1.9), which reflected low adherence. A significant positive correlation was found between medication adherence and marital status and the number of diseases. However, smoking was negatively correlated with medication adherence. Smoking was the predictor of medication adherence.

Conclusions

Medication adherence among patients with CVDs needs to be improved. Thus, healthcare professionals should develop strategies and interventions based on identifying factors to enhance medication adherence among those patients.

Blood Pressure Association with the 8-Item Morisky Medication Adherence Scale in Hypertensive Adults from Low-Resource Primary Care Settings: Results from a Prospective Cohort Nested within a Randomised Controlled Trial

INTRODUCTION

One of the self-report adherence scales most widely used is the 8-item Morisky Medication Adherence Scale (MMAS-8).

AIM

To evaluate construct validity and reliability of the MMAS-8 in hypertensive adults from low-resource settings within the public primary care level in Argentina.

METHODS

Prospective data from hypertensive adults under antihypertensive pharmacological treatment that participated in the "Hypertension Control Program in Argentina" study was analyzed. Participants were followed at baseline, 6, 12 and 18 months. Based on MMAS-8, adherence was defined as low (score < 6), medium (score 6 to < 8) and high (score of 8).

RESULTS

1214 participants were included in the analysis. In comparison to low adherence, high adherence category was associated with a reduction of - 5.6 mmHg (CI 95%: - 7.2; - 4.0) in systolic blood pressure (BP) and - 3.2 mmHg (CI 95%: - 4.2; - 2.2) in diastolic BP; and with a 56% higher likelihood to have controlled BP (p < .0001). Among those participants with baseline score ≤ 6, two points increase in MMAS-8 along follow-up showed a tendency to reduce BP in almost all-time points and a 34% higher likelihood of having controlled BP at the end of the follow-up (p = 0.0039). Cronbach's alpha total-item values in all time-points were higher than 0.70.

CONCLUSIONS

Higher MMAS-8 categories were positively associated with BP reduction and higher likelihood of BP control over time. Internal consistency was acceptable and in line with previous studies.

The Persian version of the 8-item Morisky Medication Adherence Scale (MMAS-8): can we trust it?

Background

Diabetes mellitus (DM) is a common serious health problem. Medication adherence is a crucial determinant of therapeutic success in patients with diabetes mellitus. This study aims to examine the 8-item Morisky Medication Adherence Scale (MMAS-8) psychometric properties among diabetic patients.

Methods

This study was carried out at the Internal Medicine clinic of Firooz Abadi Hospital in Tehran, Iran, from 2018 to 2020. The English version of the MMAS-8 was translated into Persian and administered to patients with diabetes mellitus. A total of 150 patients who had diabetes were included. Cronbach's alpha was calculated to assess the reliability.

Results

According to the recommended scoring method, the Mean ± SD of MMAS-8 scores was 4.97 ± 1.92. Good internal consistency was found in our study (Cronbach's α = 0.70). Not any significant relationship between MMAS-8 categories and occurrence of complications was found.

Conclusions

The findings of this validation study indicate that the Persian version of the MMAS-8 is a reliable measure of medication adherence, but it has not acceptable validity. Further studies are needed to reach a good validity.

Adherence to Insulin Therapy Among Children with Type 1 Diabetes: Reliability and Validity of the Arabic Version of the 4-Item Morisky Medication Adherence Scale

BACKGROUND

Inadequate adherence to insulin is a major concern, necessitating the use of reliable and valid metrics for assessing adherence. Up to date, there are no Arabic validated tools assessing adherence to insulin therapy among children with type 1 diabetes (T1DM). Thus, the aim of this study is to evaluate the psychometric properties of an Arabic version of the four-item Morisky Green Levine Medication Adherence Scale (MGLS-4) as a self-reported measure of adherence to insulin among a cohort of Egyptian children with T1DM.

METHODS

The MGLS-4 was translated using forward and backward translation. The Cronbach's alpha was used to assess reliability. Criterion validity of the scale was tested by examining the correlation coefficients between the compliance score (level of adherence) and the HbA1c levels.

RESULTS

A total of 400 patients completed the Arabic version of MGLS-4. 26.25% of the studied cohort was found to be non-adherent to insulin therapy; non-adherent patients were significantly older (P=0.001). Decreased maternal education level, decreased frequency of blood glucose monitoring and prolonged disease duration best predicted the occurrence of non-adherence among the studied cohort. The internal consistency of the current version showed good reliability (Cronbach's alpha = 0.857). The adherence score and adherence level showed very strong correlation with HbA1c level (rho = 0.830, P < 0.001 and rho = 0.808, P < 0.001, respectively).

CONCLUSION

The Arabic version of MGLS-4 showed good reliability and validity as a self-administered tool for assessing adherence to insulin in pediatric patients with T1DM.

Validation of an Arabic Version of the Self-Efficacy for Appropriate Medication Use Scale

Background: Medication adherence is essential for optimal treatment outcomes in patients with chronic diseases. Medication nonadherence compromises patient clinical outcomes and patient safety as well as leading to an increase in unnecessary direct and indirect medical costs. Therefore, early identification of non-adherence by healthcare professionals using medication adherence scales should help in preventing poor clinical outcomes among patients with chronic health conditions, such as diabetes and hypertension. Unfortunately, there are very few validated medication adherence assessment scales in Arabic. Thus, the aim of this study was to validate a newly translated Arabic version of the Self-Efficacy for Appropriate Medication Use Scale (SEAMS) among patients with chronic diseases. Methods: In this single-center cross-sectional study that was conducted between March 2019 and March 2021 at the primary care clinics of King Saud University Medical City (KSUMC) in Riyadh, Saudi Arabia, the English version of SEAMS was translated to Arabic using the forward–backward method and piloted among 22 adults (≥18 yrs.) with chronic diseases. The reliability of the newly translated scale was examined using the test–retest and Cronbach’s alpha methods. Exploratory and confirmatory factor analyses were conducted to examine the construct validity of the Arabic version of SEAMS. Results: The number of patients who consented to participate and filled out the questionnaire was 202. Most of the participants were males (69.9%), aged ≥50 years (65.2%), and had diabetes (96.53%). The 13-item Arabic-translated SEAMS mean score was 32.37 ± 5.31, and the scale showed acceptable internal consistency (Cronbach’s alpha = 0.886) and reliability (Intraclass correlation coefficient = 0.98). Total variance of the 13-item Arabic-SEAMS could be explained by two factors as confirmed by the factor analysis. Conclusion: The Arabic version of SEAMS should help in detecting poor self-efficacy for medication adherence among Arabic-speaking patient populations with chronic diseases, such as diabetes and hypertension. Future studies should examine its validity among more diverse patient populations in different Arabic-speaking countries.

Validation of an Arabic Version of the Adherence to Refills and Medications Scale (ARMS)

BACKGROUND

Medication non-adherence is a complex multifactorial phenomenon impacting patients with various health conditions worldwide. Therefore, its detection can improve patient outcomes and minimize the risk of adverse consequences. Even though multiple self-reported medication adherence assessment scales are available, very few of them exist in Arabic language. Therefore, the aim of this study was to validate a newly translated Arabic version of the Adherence to Refills and Medications Scale (ARMS) among patients with chronic health conditions.

METHODS

This is a single-center cross-sectional study that was conducted between October 10th 2018 and March 23rd 2021. ARMS was first translated to Arabic using the forward-backward translation method. The translated scale was then piloted among 21 patients with chronic health conditions (e.g., diabetes, hypertension, etc.…) to examine its reliability and comprehensibility using the test-retest method. Thereafter, the Arabic-translated ARMS was self-administered to adult patients aged ≥18 years with chronic health conditions visiting the primary care clinics of a university-affiliated tertiary care hospital in Riyadh, Saudi Arabia. Construct validity was examined using factor analysis with varimax rotation.

RESULTS

Of the 264 patients who were invited to participate, 202 (76.5%) consented and completed the questionnaire. Most of the participants were males (69.9%), married (75.2%), having a college degree or higher (50.9%), retired or unemployed (65.2%), aged ≥ 50 years (65.2%), and are diabetic (95.9%). The 12-item Arabic-translated ARMS mean score was 17.93 ± 4.90, and the scale yielded good internal consistency (Cronbach's alpha = 0.802) and test-retest reliability (Intraclass correlation coefficient = 0.97). Two factors were extracted explaining 100% of the of the total variance (factor 1 = 52.94% and factor 2 = 47.06%).

CONCLUSIONS

The 12-item Arabic version of ARMS demonstrated good validity and reliability. Therefore, it should help in the detection of medication non-adherence among Arabic-speaking patient population and minimize the risk of adverse consequences.

Medication Adherence and Patients' Characteristics in Chronic Diseases: A National Multi-Center Study

Chronic diseases constitute a significant threat to health. Worldwide, medication adherence in chronic diseases remains unsatisfactory. Understanding factors affecting adherence is essential. This study examined medication adherence by characteristics of patients with chronic diseases. This cross-sectional study included 800 patients. The Adherence to Chronic Diseases Scale was used to measure adherence. Descriptive statistics and logistic regression was used to examine factors influencing medication adherence. Low adherence was found in 19.5% of the patients, 45% had medium adherence, and 35.5% had high adherence. Logistic regression showed that retired (OR 0.496, 95% CI [0.33-0.75]), having COPD (OR 0.460, 95% CI [0.32-0.67]) and duration of disease ≤5 years (OR 1.554, 95% CI [1.11-2.17]) remain independent predictors for high adherence. Mixed findings regarding the relationship between medication adherence and patients' characteristics were noticed. Patients' characteristics should be examined with the individual population when examining and attempting to improve medication adherence in clinical practice.

Self-reported medication adherence among patients with diabetes or hypertension, Médecins Sans Frontières Shatila refugee camp, Beirut, Lebanon: A mixed-methods study

Introduction

Low adherence to medications, specifically in patients with Diabetes (DM) and Hypertension (HTN), and more so in refugee settings, remains a major challenge to achieving optimum clinical control in these patients. We aimed at determining the self-reported medication adherence prevalence and its predictors and exploring reasons for low adherence among these patients.

Methods

A mixed-methods study was conducted at Médecins Sans Frontières non-communicable diseases primary care center in the Shatila refugee camp in Beirut, Lebanon in October 2018. Data were collected using the validated Arabic version of the 8-items Morisky Medication Adherence Scale (MMAS-8) concurrently followed by in-depth interviews to explore barriers to adherence in patients with DM and/or HTN. Predictors of adherence were separately assessed using logistic regression with SPSS© version 20. Manual thematic content analysis was used to analyze the qualitative data.

Results

Of the 361 patients included completing the MMAS, 70% (n = 251) were moderately to highly adherent (MMAS-8 score = 6 to 8), while 30% (n = 110) were low-adherent (MMAS-8 score<6). Patients with DM-1 were the most likely to be moderately to highly adherent (85%; n = 29). Logistic regression analysis showed that patients with a lower HbA1C were 75% more likely to be moderately to highly adherent [(OR = 0.75 (95%CI 0.63–0.89), p-value 0.001]. Factors influencing self-reported moderate and high adherence were related to the burden of the disease and its treatment, specifically insulin, the self-perception of the disease outcomes and the level of patient’s knowledge about the disease and other factors like supportive family and healthcare team.

Conclusion

Adherence to DM and HTN was good, likely due to a patient-centered approach along with educational interventions. Future studies identifying additional factors and means addressing the barriers to adherence specific to the refugee population are needed to allow reaching optimal levels of adherence and design well-informed intervention programs.

Validation and psychometric properties of the 8-item Morisky Medication Adherence Scale (MMAS-8) in type 2 diabetes patients in Spain

Aims

To validate a translated and culturally adapted version of the Morisky Medication Adherence Scale for use in Spanish population, and to examine the psychometric properties of this scale in patients with type 2 diabetes mellitus in Spain.

Design

This cross-sectional study was conducted in a single university hospital in Spain. Patients diagnosed with type 2 diabetes mellitus at least 1 year before inclusion, being treated with anti-diabetic medication were included.

Intervention

We used the Spanish version of the scale to measure treatment adherence.

Principal measurements

three level categorical scale is broken down into low adherence (score of <6), medium adherence (score of 6 to <8) and high adherence (score of 8). To validate the questionnaire, we measured internal consistency through Cronbach's α, confirmed construct validity through an exploratory principal component analysis and assessed test–retest reliability.

Results

232 patients met the inclusion criteria. The Cronbach's α coefficient was 0.40 (95% CI 0.28–0.52). The exploratory principal component analysis showed three components. The intraclass correlation coefficient was 0.718 (95% CI 0.564–0.823).

Conclusions

the Spanish version of the Morisky Medication Adherence scale showed low internal consistency, the exploratory factor analysis identified three dimensions, and the test–retest reliability was acceptable, therefore, psychometric properties of MMAS-8 are not suitable for measuring medication adherence in type 2 diabetes mellitus patients from Spain.

Measurement Properties of Existing Patient-Reported Outcome Measures on Medication Adherence: Systematic Review

Background

Medication adherence is essential for improving the health outcomes of patients. Various patient-reported outcome measures (PROMs) have been developed to measure medication adherence in patients. However, no study has summarized the psychometric properties of these PROMs to guide selection for use in clinical practice or research.

Objective

This study aims to evaluate the quality of the PROMs used to measure medication adherence.

Methods

This study was guided by the PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis) guidelines. Relevant articles were retrieved from the EMBASE, PubMed, Cochrane Library, Web of Science, and CINAHL (Cumulative Index to Nursing and Allied Health Literature) databases. The PROMs were then evaluated based on the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) guidelines.

Results

A total of 121 unique medication adherence PROMs from 214 studies were identified. Hypotheses testing for construct validity and internal consistency were the most frequently assessed measurement properties. PROMs with at least a moderate level of evidence for ≥5 measurement properties include the Adherence Starts with Knowledge 20, Compliance Questionnaire-Rheumatology, General Medication Adherence Scale, Hill-Bone Scale, Immunosuppressant Therapy Barrier Scale, Medication Adherence Reasons Scale (MAR-Scale) revised, 5-item Medication Adherence Rating Scale (MARS-5), 9-item MARS (MARS-9), 4-item Morisky Medication Adherence Scale (MMAS-4), 8-item MMAS (MMAS-8), Self-efficacy for Appropriate Medication Adherence Scale, Satisfaction with Iron Chelation Therapy, Test of Adherence to Inhalers, and questionnaire by Voils. The MAR-Scale revised, MMAS-4, and MMAS-8 have been administered electronically.

Conclusions

This study identified 121 PROMs for medication adherence and provided synthesized evidence for the measurement properties of these PROMs. The findings from this study may assist clinicians and researchers in selecting suitable PROMs to assess medication adherence.

Development of an Item Bank to Measure Medication Adherence: Systematic Review

Background

Medication adherence is important in managing the progression of chronic diseases. A promising approach to reduce cognitive burden when measuring medication adherence lies in the use of computer‐adaptive tests (CATs) or in the development of shorter patient-reported outcome measures (PROMs). However, the lack of an item bank currently hampers this progress.

Objective

We aim to develop an item bank to measure general medication adherence.

Methods

Using the preferred reporting items for systematic review and meta-analysis (PRISMA), articles published before October 2019 were retrieved from PubMed, Embase, CINAHL, the Cochrane Library, and Web of Science. Items from existing PROMs were classified and selected (“binned” and “winnowed”) according to standards published by the Patient-Reported Outcomes Measurement Information System (PROMIS) Cooperative Group.

Results

A total of 126 unique PROMs were identified from 213 studies in 48 countries. Items from the literature review (47 PROMs with 579 items for which permission has been obtained) underwent binning and winnowing. This resulted in 421 candidate items (77 extent of adherence and 344 reasons for adherence).

Conclusions

We developed an item bank for measuring general medication adherence using items from validated PROMs. This will allow researchers to create new PROMs from selected items and provide the foundation to develop CATs.

Translation and validation of the Arabic version of the General Medication Adherence Scale (GMAS) in Saudi patients with chronic illnesses

Purpose

The study aimed to translate and validate the Arabic version of General Medication Adherence Scale (GMAS) in Saudi patients with chronic diseases.

Methods

A multi-center cross sectional study was conducted for a month in out-patient wards of hospitals in Khobar, Dammam, Makkah, and Madinah, Saudi Arabia. Patients were randomly selected from a registered patient pools at hospitals and the item-subject ratio was kept at 1:20. The tool was assessed for factorial, construct, convergent, known group and predictive validities as well as, reliability and internal consistency of scale were also evaluated. Sensitivity, specificity, and accuracy were also evaluated. Data were analyzed using SPSS v24 and MedCalc v19.2. The study was approved by concerned ethics committees (IRB-129-25/6/1439) and (IRB-2019-05-002).

Results

A total of 282 responses were received. The values for normed fit index (NFI), comparative fit index (CFI), Tucker Lewis index (TLI) and incremental fit index (IFI) were 0.960, 0.979, 0.954 and 0.980. All values were >0.95. The value for root mean square error of approximation (RMSEA) was 0.059, i.e., <0.06. Hence, factorial validity was established. The average factor loading of the scale was 0.725, i.e., >0.7, that established convergent validity. Known group validity was established by obtaining significant p-value <0.05, for the associations based on hypotheses. Cronbach’s α was 0.865, i.e., >0.7. Predictive validity was established by evaluating odds ratios (OR) of demographic factors with adherence score using logistic regression. Sensitivity was 78.16%, specificity was 76.85% and, accuracy of the tool was 77.66%, i.e., >70%.

Conclusion

The Arabic version of GMAS achieved all required statistical parameters and was validated in Saudi patients with chronic diseases.

Factors affecting health-related quality of life among hypertensive patients using the EQ-5D tool

OBJECTIVES

Hypertension (HTN) is a major risk factor for cardiovascular disease, it is an epidemic health problem with 1 billion people affected worldwide. Limited studies have examined the impact of HTN on physical, psychological and social functioning of HTN patients. Furthermore, little is known about factors that impair these domains among these patients. Thus, the aim of the present study is to assess health-related quality of life (HRQoL) and to explore predictors of poor HRQoL in patients with HTN in Jordan.

METHODS

Hypertensive patients visiting cardiology and internal medicine departments were recruited from three major hospitals in Jordan. Patients' Socio-demographics and medical data were collected via direct patient encounters and medical records. The validated Arabic version of EQ-5D tool was used to assess HRQoL. Simple linear regression was performed to explore the factors associated with poor HRQoL.

RESULTS

The mean score of the EQ-5D index of the 300 participants was 0.732 (SD = 0.29, range from -0.594 to 1.0). While extreme problems were only reported by 10% of the participants, most of them reported "some problems" through the five dimensions with the highest percentage (43.3%) for mobility dimension. Gender, monthly income, number of medical conditions, number of medications, number of HTN medications, duration of HTN and the presence of any atherosclerotic cardiovascular diseases were significantly associated with the EQ-5D index value (P-value <.05).

CONCLUSIONS

The current study highlights factors that negatively impact HRQoL in patients with HTN. Such findings should provide useful information for future pharmaceutical care intervention programmes aimed at improving HRQoL and other health outcomes in patients with HTN.

Effect of Ramadan fasting on glycaemic parameters & body mass index in type II diabetic patients: A meta-analysis

Background & objectives:

There has been an ongoing debate about the impact of Ramadan fasting (RF) on the health of these individuals who fast during Ramadan. The aim of this meta-analysis was to evaluate the relationship between RF and glycaemic parameters in type 2 diabetes mellitus (T2DM) patients.

Methods:

Search terms were decided and databases such as MEDLINE EBSCO, Google Scholar and EMBASE were searched for eligible studies. Standardized mean differences and 95 per cent confidence intervals (CIs) of post-prandial plasma glucose (PPG), fasting plasma glucose (FPG), glycated haemoglobin (HbA_1c) (%) and fructosamine levels were calculated for different treatment regimens.

Results:

Of the 40 studies, 19 were found eligible for inclusion in the meta-analysis. Based on pooled results, significant reductions in FPG were found in single oral antidiabetics (OAD) [standardized weighted mean difference (SMD)=0.47, 95% CI=(0.20-0.74)], multi-OAD [SMD=0.36, 95% CI=(0.11-0.61)] and multitreatment subgroups [SMD=0.65, 95% CI=(0.03-1.27)] and overall [SMD=0.48, 95% CI=(0.27-0.70)]. Furthermore, HbA_1c (%) [SMD=0.26, 95% CI=(0.03-0.49)] and body mass index (BMI) [SMD=0.18, 95% CI=(0.04-0.31)] were significantly decreased in the multi-OAD group.

Interpretation & conclusions:

The meta-analysis showed that RF was not associated with any significant negative effects on PPG and fructosamine levels. However, BMI and FPG and HbA_1c (%) were positively affected by RF.

The Effect of a Tailored Health Education Programme on Medication Management in the Elderly

Background

Empowering the elderly by education programs can decrease medication problems, morbidity, and mortality.

Methods

A cross-sectional study to identify trends and baseline medication management among the elderly in nursing homes followed by an interventional study (tailored educational programme) offered within the same population followed by reassessment of the same medication management domains.

Results

There was no effect regarding nursing home participants' medication knowledge before and after intervention, while there were variable degrees of significant statistical differences in how the participants obtain and take their medications as well as their total deficiency scores before and after intervention. Other domains were also variably affected.

Conclusion

It is vital to ensure that patients have sufficient knowledge regarding their medications and how to handle and administer them. Different domains may variably be affected by educational programmes mainly due to preassessment deficits. Educational programmes need to be tailored according to the requirements of the population targeted.

Health Beliefs and Medication Adherence in Omanis With Hypertension

BACKGROUND

Patients' health beliefs are essential to improve medication adherence among patients with hypertension.

OBJECTIVE

Our objective was to examine the relationship between (1) patients' beliefs about hypertension, medication, and self-efficacy and medication adherence and (2) medication adherence and blood pressure control in Oman.

METHODS

This cross-sectional study included 215 participants with hypertension. Participants completed 4 questionnaires (Arabic version) to measure medication adherence, beliefs about hypertension severity, beliefs about medication, and self-efficacy. Bivariate and multivariate logistic regression was used to conduct the analyses.

RESULTS

Higher self-efficacy (odds ratio [OR], 2.59; 95% confidence interval [CI], 1.54-4.37), stronger beliefs about medication necessity (OR, 1.98; 95% CI, 1.21-3.23), increased age (OR, 1.06; 95% CI, 1.03-1.10), and fewer medication concerns (OR, 0.34; 95% CI, 0.20-0.57) were related to high medication adherence. Moreover, uncontrolled blood pressure was less likely in participants with high medication adherence (OR, 0.47; 95% CI, 0.24-0.93).

CONCLUSIONS

Patients' beliefs are important consideration to improve medication adherence. Clinically, patients' beliefs should be assessed, and strategies to improve medication adherence should incorporate beliefs as a key component to improve antihypertensive medication adherence. Patient education and counseling regarding hypertension and necessity and side effects of medications are important to maximize positive beliefs and improve medication adherence.

Validation of the General Medication Adherence Scale in Saudi Patients With Chronic Diseases

Objective: The aim was to validate the General Medication Adherence Scale (GMAS) (English version) in Saudi patients with chronic disease. Methods: A month-long study was conducted in the out-patient department of tertiary care hospitals in three cities of Saudi Arabia that collected data from a randomized sample of Saudi patients with chronic disease. The study aimed to achieve an item-to-subject ratio greater than 1:10. Factor analyses were conducted and fit indices calculated. Convergent, discriminant, known group, and concurrent validities were analysed. Internal consistency was determined using test-retest reliability using Cronbach's alpha (α), McDonald's coefficient omega (ω _t ), and Pearson's correlation coefficient (ρ). Sensitivity analysis was conducted. Data were analysed through Statistical Package for Social Sciences (SPSS) version 23. The study was ethically approved (i.e., IRB-129-26/6/1439). Results: The survey gathered responses from 171 patients with a response rate of 85.5%. An item-to-subject ratio of 1:15 was achieved. Factor analysis revealed a three-factor structure with acceptable fit indices (i.e., normed fit index (NFI) = 0.93, Tucker-Lewis index (TLI) = 0.99, and comparative fit index (CFI) = 0.99), i.e., greater than 0.9. The value of root mean square error of approximation (RMSEA) was 0.01, i.e., less than 0.08. The tool established construct validity, i.e., convergent and discriminant validities. Known group and concurrent validities were also established. An α value of 0.74 and ω _t value of 0.92 were reported. Test-retest reliability ρ = 0.82, p < 0.001. The tool had high sensitivity (>75%) and specificity (>80%). Conclusion: The GMAS-English was successfully validated in Saudi patients with chronic disease.

Adherence to diabetes medication among diabetic patients in the Bisha governorate of Saudi Arabia - a cross-sectional survey

BACKGROUND

Patients' non-adherence to diabetes medication is associated with poor glycemic control and suboptimal benefits from their prescribed medication, which can lead to worsening of medical condition, development of comorbidities, reduced quality of life, elevated health care costs, and increased mortality.

OBJECTIVE

This study aimed to assess medication adherence among patients with diabetes and associated factors in Bisha primary health care centers (PHCCs) in Saudi Arabia.

PATIENTS AND METHODS

A cross-sectional study was conducted with a sample of 375 type 1 and 2 Saudi diabetic patients attending PHCCs under the Health Affairs of the Bisha governorate. The participants were aged 18 years and above, and had been taking diabetes medications for at least 3 months. Pregnant women, patients with mental illnesses, and those who were not willing to participate were excluded. Adherence to diabetes medications was measured using the four-item Morisky Green Levine Medication Adherence Scale (MGLS). All participants completed a self-report questionnaire including sociodemographic and clinical variables. Univariate and multivariate analyses were carried out using SPSS version 22.

RESULTS

Of all the respondents, 134 (35.7%), 161 (42.9%), and 80 (21.4%), patients had high (MGLS score 0), intermediate (MGLS score 1 or 2), and low adherence (MGLS score ≥3), respectively. Factors associated with the level of adherence in univariate analysis were occupational status (P=0.037), current medication (P<0.001), glycated hemoglobin (A1c) (P<0.001), and number of associated comorbidities (P<0.001). In multivariable analyses, A1c <7 (P<0.001) and no associated comorbidities (P<0.003) variables remained significantly associated with adherence.

CONCLUSION

The level of adherence to medication in diabetes mellitus patients in the Bisha PHCCs was found to be suboptimal. The findings point toward the need for better management of primary health care providers' approaches to individual patients, by taking into account their medication adherence levels. Better identification of patients' level of adherence remains essential for successful diabetes treatment.

Association between medication adherence and quality of life of patients with diabetes and hypertension attending primary care clinics: a cross-sectional survey

PURPOSE

To evaluate the association between medication adherence and quality of life (QoL) of patients with diabetes and/or hypertension attending primary care clinics.

METHODS

In this cross-sectional study, patients with at least one long-term condition (hypertension or diabetes mellitus) meeting the eligibility criteria were recruited from five primary care clinics in Saudi Arabia. Arabic version of Morisky Medication Adherence Scale (MMAS-8) and the World Health Organization Quality of Life-BREF (WHOQOL-BREF) tool were used to assess medication adherence and QoL, respectively. Patients' sociodemographic, medical and medication data were collected using a structured, pilot-tested data collection form.

RESULTS

Three hundred patients with a mean (± SD) age of 56.79 (12.8) years participated in the study. Fifty-eight had hypertension only, 96 had diabetes (Type 1 or 2), and 146 had both hypertension and diabetes. After adjusting for socioeconomic characteristics, multiple linear regression analysis found that adherent patients had significantly higher mean overall perception of QoL and health scores by 14.6 (P = 0.001) and 17.2 (P = 0.001) points, respectively, compared to non-adherent patients. In addition, irrespective of the type of long-term condition, adherence status was found to be an independent predictor of all QoL domains.

CONCLUSION

There is an association between medication adherence and QoL among patients with diabetes and/or hypertension attending primary care clinics. Medication adherence should be assessed and emphasised during routine clinical consultations in primary care in order to achieve the desired clinical outcomes and overall well-being of patients.

Accuracy of a screening tool for medication adherence: A systematic review and meta-analysis of the Morisky Medication Adherence Scale-8

Background

This systematic review examined the reliability and validity of the Morisky Medication Adherence Scale-8 (MMAS-8), which has been widely used to assess patient medication adherence in clinical research and medical practice.

Methods

Of 418 studies identified through searching 4 electronic databases, we finally analyzed 28 studies meeting the selection criteria of this study regarding the reliability and validity of MMAS-8 including sensitivity and specificity. Meta-analysis for Cronbach’s α, intraclass correlation coefficient (ICC), sensitivity and specificity to detect a patient with nonadherence to medication were performed. The pooled estimates for Cronbach’s α and ICC were calculated using the random-effects weighted T transformation. A bivariate random-effects model was used to estimate pooled sensitivity and specificity.

Findings

The pooled Cronbach's α estimate for type 2 diabetes group in 7 studies and osteoporosis group in 3 studies were 0.67 (95% Confidence Interval(CI), 0.65 to 0.69) and 0.77 (95% CI, 0.72 to 0.83), respectively. With regard to test-retest, the pooled ICC for type 2 diabetes group in 3 studies and osteoporosis group in 2 studies were 0.81 (95% CI, 0.75 to 0.85) and 0.80 (95% CI, 0.74 to 0.85). For a cut-off value of 6, the pooled sensitivity and specificity in 12 studies were 0.43 (95% CI, 0.33 to 0.53) and 0.73 (95% CI, 0.68 to 0.78), respectively.

Conclusions

The MMAS-8 had acceptable internal consistency and reproducibility in a few diseases like type 2 diabetes. Using the cut-off value of 6, criterion validity was not enough good to validly screen a patient with nonadherence to medication. However, this study did not calculated a pooled estimate for criterion validity using the higher values than 6 as a cut-off value since most of included individual studies did not report criterion validity based on those values.

Glycaemic control status among type 2 diabetic patients and the role of their diabetes coping behaviours: a clinic-based study in Tripoli, Libya

BACKGROUND

Achieving good glycaemic control is important in diabetes management. However, poor glycaemic control is widely reported. This article assessed the prevalence of uncontrolled and poor glycaemic control among Libyans with type 2 diabetes and examined the relative contribution of diabetes coping behaviours to their glycaemic control status.

METHODS

A cross-sectional study was undertaken in 2013 in a large diabetes centre in Tripoli. The study included 523 respondents. Diabetes coping behaviours were measured using the revised version of the Summary of Diabetes Self-Care Activities measure (SDSCA) and the eight-item Morisky Medication Adherence Scale (MMAS-8(©)), while glycaemic control status was based on the HbA1c level.

RESULTS

Mean HbA1c was 8.9 (±2.1), and of the 523 patients, only 114 (21.8%) attained the glycaemic control target of HbAc1 of less than 7.0%. Females (OR=1.74, 95% CI=1.03-2.91), patients on insulin and oral hypoglycaemic agents (OR=1.92, 95% CI=1.05-3.54), patients on insulin (OR=3.14, 95% CI=1.66-6.03), and low-medication adherents (OR=2.25, 95% CI=1.36-3.73) were more likely to have uncontrolled and poor glycaemic control, while exercise contributed to glycaemic control status as a protective factor (OR=0.85, 95% CI=0.77-0.94).

CONCLUSION

The findings from this study showed the considerable burden of uncontrolled and poor glycaemic control in one of the largest diabetes care settings in Libya. Medication adherence as well as exercise promotion programs would help in reducing the magnitude of poor glycaemic control.

Utility of the Morisky Medication Adherence Scale in gout: a prospective study

BACKGROUND

The outcomes of any chronic illness often depend on patients' adherence with their treatment. A tool is lacking to assess adherence in gout that is standardized, allows real-time feedback, and is easy to understand.

OBJECTIVE

We set out to evaluate the utility of the 8-item Morisky Medication Adherence Scale (MMAS-8) in monitoring medication adherence in a multiethnic Asian gout cohort on urate-lowering therapy (ULT).

METHODS

This cohort study recruited patients with gout where baseline and 6-monthly clinical data, self-report of adherence, and health status by Gout Impact Scale (GIS) and EuroQoL-5 dimension 3 levels were collected. Those who received at least 9 months of ULT were analyzed. Convergent and construct validities of MMAS-8 were evaluated against medication possession ratio (MPR) and known groups, clinical outcomes, and patient-reported outcomes. Internal consistency and test-retest reliability were assessed using Cronbach's alpha and intraclass correlation coefficient (ICC), respectively.

RESULTS

Of 91 patients, 92.3% were male, 72.5% Chinese with mean age 53.5 years. MMAS-8 (mean 6.17) and MPR (mean 96.3%) were poorly correlated (r=0.069, P=0.521). MMAS-8 did not differ between those who did or did not achieve target serum urate (SU) <360 µmol/L (P=0.852); or among those whose SU improved, stagnated, or worsened during follow-up (P=0.777). Adherence was associated with age (β=0.256, P=0.015) and education level (P=0.011) but not comorbidities, polypharmacy, or flare frequency. Concerns for medication side effects and anxiety or depression were associated with lower MMAS-8 (P<0.005). Internal consistency was acceptable (α=0.725) and test-retest reliability was satisfactory (ICC =0.70, 95% confidence interval [CI] 0.36-0.88).

CONCLUSION

MMAS-8 had limited construct validity in assessing medication adherence to ULT in our gout patients. Nevertheless, it identified patients bothered or worried about ULT side effects, and those with underlying anxiety or depression, for whom targeted education and coping support may be useful.

Illness perceptions of Libyans with T2DM and their influence on medication adherence: a study in a diabetes center in Tripoli

BACKGROUND

The surrounding environment influences the constitution of illness perceptions. Therefore, local research is needed to examine how Libyan diabetes patients perceive diabetes and how their perceptions influence their medication adherence.

METHODS

A cross-sectional study was conducted at the National Centre for Diabetes and Endocrinology in Tripoli, Libya, between October and December 2013. A total of 523 patients with type 2 diabetes participated in this study. A self-administered questionnaire was used for data collection; this included the Revised Illness Perception Questionnaire and the eight-item Morisky Medication Adherence Scale.

RESULTS

The respondents showed moderately high personal control and treatment control perceptions and a moderate consequences perception. They reported a high perception of diabetes timeline as chronic and a moderate perception of the diabetes course as unstable. The most commonly perceived cause of diabetes was Allah's will. The prevalence of low medication adherence was 36.1%. The identified significant predictors of low medication adherence were the low treatment control perception (p=0.044), high diabetes identity perception (p=0.008), being male (p=0.026), and employed (p=0.008).

CONCLUSION

Diabetes illness perceptions of type 2 diabetic Libyans play a role in guiding the medication adherence and could be considered in the development of medication adherence promotion plans.