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To better understand the associations between changes in self‐management behaviours and glycaemic control.

We conducted a prospective observational study of 295 adult patients with Type 2 diabetes evaluated at baseline, 6 and 12 months. Four self‐management behaviours were evaluated using the Summary of Diabetes Self‐Care Activities instrument, which assesses healthy diet, physical activity, medication taking and self‐monitoring of blood glucose. Using hierarchical linear regression models, we tested whether changes in self‐management behaviours were associated with short‐term (6‐month) or long‐term (12‐month) changes in glycaemic control, after controlling for demographic and clinical characteristics.

Improved diet was associated with a decrease in HbA_1c level, both at 6 and 12 months. Improved medication taking was associated with short‐term improvement in …