Development and evaluation of a turkish scale to assess medication literacy for adults

OBJECTIVES: This study aimed to develop a Turkish scale to assess medication literacy and to evaluate its psychometric properties among adults having at least 12 years of education in Türkiye. MATERIALS AND METHODS: After the composition of a preliminary set of items, the content validity of the scale was assessed by an e-Delphi process and a pilot study. The psychometric properties of the scale were evaluated in 358 participants, who had above 12 years of education: university students, academics and, administrative staff from two faculties (pharmacy and law) in two universities located in two major cities (İstanbul and Ankara) in Türkiye between March and May, 2021. The test-retest validity was assessed by Spearman’s rho and Wilcoxon test. Internal consistency was evaluated by Kuder Richardson 20. Principal component analysis was conducted. RESULTS: The last version of the medication literacy scale consisted of 8 items. There was a positive correlation (Spearman’s rho: 0.570; p