OBJECTIVES: The study aimed to estimate the validity and reliability of the Diabetes Treatment Satisfaction Questionnaire (DTSQ) for Indonesian patients with diabetes. METHODS: The study was carried out in 10 primary healthcare facilities in Yogyakarta, Indonesia. These facilities were selected based on the highest number of patients with diabetes. The validity was estimated in terms of convergent, known-groups, and structural validity, whereas the reliability was assessed in terms of test-retest reliability and internal consistency. The convergent validity was estimated by comparing the DTSQ to the 12-Item Short Form (SF-12) and the EuroQol 5-Dimension (EQ-5D). RESULTS: A total of 290 patients participated in this study. The convergent validity estimation demonstrated that overall treatment satisfaction had positive correlations with the physical component summary, mental component summary, SF-6D, and EQ-5D, whereas perceived hypoglycemia had a negative correlation with EQ-5D. Although overall treatment satisfaction did not differ significantly between subgroups, perceived hyperglycemia differed between subgroups based on glycemic status and treatment types. Additionally, perceived hypoglycemia showed significant differences only based on treatment types. Confirmatory factor analysis using a one-factor model indicated an adequate model fit. The Cronbach's alpha was slightly below 0.7, whereas the omega demonstrated good internal consistency, and the test-retest reliability indicated moderate reliability. CONCLUSIONS: This study demonstrates that the Indonesian version of the DTSQ has acceptable validity and reliability for assessing treatment satisfaction among patients with diabetes in primary healthcare settings. The instrument may support patient-centered diabetes management by identifying unmet patient needs, facilitating improvements in adherence and glycemic control.
Rokhman et al. (Mon,) studied this question.