Adherence to diabetes mellitus care at three levels of health care

Quantitative, descriptive, cross-sectional study addressing a sample of 143 people from a city in the interior of Sao Paulo, Brazil from primary (45), secondary (48) and tertiary (50) units. Adherence to self-care was assessed using the "The Summary of Diabetes Self-Care Activities Measure" and "Measurement of Treatment Adherence".