The association of beliefs about medicines with medication adherence and glycemic control among patients with type 2 diabetes: a cross-sectional survey

Background: Beliefs about medicines have been identified as important determinants of medication adherence for multiple chronic diseases such as hypertension, diabetes, and asthma. This study aimed to examine the association of beliefs about medicines with medication adherence and glycemic control among patients with type 2 diabetes (T2D) in Xi'an, China. Methods: A cross-sectional study was conducted with T2D patients recruited from two large tertiary hospitals in Xi'an, China, from August 1, 2024 to March 31, 2025. The Beliefs about Medicines Questionnaire (BMQ) was used to assess patients' beliefs about hypoglycemic agents, and the Adherence to Refills and Medications Scale in Diabetes (ARMS-D) was used to assess adherence to hypoglycemic agents. The recommended cut-off of HbA1c