Table 1: Themes and sub-themes of the findings.

Themes	Sub-themes
1. Poor medication instructions comprehension	1.1 Inadequate explanation of instructions 1.2 Poor health outcomes
2. Lack of knowledge related to diabetes mellitus as a disease	2.1 Lack of information related to poor health outcomes 2.2 Lack of knowledge on taking medication correctly 2.3 Medication non-compliance observed