Health Literacy and Adherence to Therapy in Type 2 Diabetes: A Cross-Sectional Study in Portugal.

Background: Therapy adherence is a key factor in the control of type 2 diabetes mellitus (T2DM). Optimal self-care requires skills in health literacy (HL).

Objective: This study aims to analyze the relationship between HL and adherence to therapy and to understand the possible influence of other sociodemographic and disease variables.