Effectiveness of Diabetes Self-management Education Intervention Elements: A Meta-analysis

ABSTRACT OBJECTIVES This meta-analysis aimed to examine differences in knowledge, self-management behaviours and metabolic control associated with various diabetes self-management education (DSME) intervention elements. METHODS Fifty randomized, controlled trials evaluating DSME interventions in adults with type 2 diabetes, published in English between 1990 and 2006, were included in the analysis. Data related to type of intervention, teaching method, mode of delivery and dose were extracted. RESULTS Overall, the weighted mean effect size of the DSME interventions was 1.29 for knowledge, 0.51 for metabolic control and 0.36 for self-management behaviours. Differences in outcomes were observed for number of sessions, duration of intervention and provision of booster sessions. CONCLUSIONS These results provide researchers and practitioners with evidence to guide the design of DSME interventions that are effective in improving knowledge, behaviour and metabolic control outcomes among patients with type 2 diabetes.

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