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Psychometric Properties of the Malay Translation of the Medication Adherence Rating Scale
Huey Jing Renee Tan1, Shiao Ling Ling1, Norashikin Khairuddin1
1Department of Psychiatry and Mental Health, Hospital Kajang, Ministry of Health, Kajang, MYS.
Introduction:
The Medication Adherence Rating Scale (MARS) is a self-rated questionnaire that assesses medication compliance.
Aim:
This study aimed to validate the Malaysian language translation of the MARS (MARS-M).
Method:
The original scale was translated to Malay via forward and backward translation process. The psychometric properties of the MARS-M were validated on clinical samples (N = 54).
Results:
The MARS-M was filled by 54 participants. Exploratory factor analysis supported a two-factor model. Factor 1 of the MARS-M consisted of four items (α = 0.84), while factor 2 consisted of three items (α = 0.78).Kaiser-Meyer-Olkin measure of sampling adequacy was 0.60, and Bartlett's test of sphericity was significant (X2 (28) = 66.4, p <0.001).
Conclusion:
The MARS-M is reliable and valid.
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