Abstract
The Medication Adherence Rating Scale (MARS) is a self-rated questionnaire that assesses medication compliance. This study aimed to validate the Malaysian language translation of the MARS (MARS-M). 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). 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). The MARS-M is reliable and valid.
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