ArticleSaudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society2020
Translation and validation of the Arabic version of the General Medication Adherence Scale (GMAS) in Saudi patients with chronic illnesses.
Article in Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.
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29 citing papers in PubMed, 1 synthesis or guideline pooled it, 49 citations in OpenAlex.
- Quality of measurement properties of medication adherence instruments in cardiovascular diseases and type 2 diabetes mellitus: a systematic review and meta-analysis.Systematic reviews · 2023Pooled it
- Psychometric evaluation of the Arabic brief forms of the diabetes distress scale in Egyptian patients with type II diabetes.The Journal of the Egyptian Public Health Association · 2026Article
- Medication adherence barriers and digital support among Saudi adults with chronic conditions.Scientific reports · 2026Article
- Psychometric properties of an Arabic language version of the Treatment Adherence Questionnaire among dialysis patients with cardio renal syndrome.Frontiers in psychology · 2026Article
- Prevalence and determinants of medication adherence in Moroccan patients with type 2 diabetes: a multicenter cross-sectional study.Osong public health and research perspectives · 2025Article
- Impact of hypertension knowledge on adherence to antihypertensive therapy: a cross-sectional study in primary health care centers during the 2024 Sudan conflict.BMC primary care · 2025Article
- Assessment of Medication Adherence in Diabetes Mellitus Patients at a Tertiary Care Teaching Hospital in India.Cureus · 2025Article
- Medication adherence in Jordanian patients with multimorbidity: a cross-sectional mixed-methods study in outpatient clinics.Frontiers in pharmacology · 2025Article
- Medication adherence scales in non-communicable diseases: A scoping review of design gaps, constructs and validation processes.PloS one · 2025Article
- Effectiveness of Telemedicine in Inflammatory Bowel Disease in Russia: TIGE-Rus (Telemonitoring for IBD Goodness Examination in Russia) Study Protocol of a Randomized Controlled Trial.Journal of clinical medicine · 2024Article
- Translation, transcultural adaptation, and validation of the Brazilian Portuguese version of the general medication adherence scale (GMAS) in patients with high blood pressure.Exploratory research in clinical and social pharmacy · 2024Article
- Examining the influence of anxiety and depression on medication adherence among patients diagnosed with acute myocardial infarction.BMC psychology · 2024Article
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- Assessing medication adherence and their associated factors amongst type-2 diabetes mellitus patients of Jazan Province, Saudi Arabia: A single-center, cross-sectional study.Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society · 2024Article
- Knowledge of Diabetes Mellitus and Practices Regarding Lifestyle Factors and Diabetes Management in a General Adult Population of Aseer Region, Saudi Arabia.Diabetes, metabolic syndrome and obesity : targets and therapy · 2024Article
- Predictors to Poor Quality of Life Among Patients with Heart Failure and Its Correlation with Their Medication Adherence: Finding for Healthcare Improvement and Follow-Up.Patient preference and adherence · 2024Article
- Translation, cultural adaptation and validation of the General Medication Adherence Scale (GMAS) in moroccan patients with type-2 diabetes.BMC nursing · 2023Article
- Medication Adherence and Its Influencing Factors among Patients with Heart Failure: A Cross Sectional Study.Medicina (Kaunas, Lithuania) · 2023Article
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Authors and funding
12 authors at 7 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe study aimed to translate and validate the Arabic version of General Medication Adherence Scale (GMAS) in Saudi patients with chronic diseases.
methodsA 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).
resultsA 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%.
conclusionThe Arabic version of GMAS achieved all required statistical parameters and was validated in Saudi patients with chronic diseases.
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