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Rosal, M.C. et al.

Milagros C. Rosal, Ira S. Ockene, Angela Restrepo, Mary Jo White, Amy Borg, Barbara Olendzki, Jeffrey Scavron, Lucy Candib, Garry Welch, George Reed,

Randomized trial of a literacy-sensitive, culturally tailored diabetes self-management intervention for low-income latinos: latinos en control.

OBJECTIVE: To test whether a theory-based, literacy, and culturally tailored self-management intervention, Latinos en Control, improves glycemic control among low-income Latinos with type 2 diabetes. RESEARCH DESIGN AND METHODS: A total of 252 patients recruited from community health centers were randomized to the Latinos en Control intervention or to usual care. The primarily group-based intervention consisted of 12 weekly and 8 monthly sessions and targeted knowledge, attitudes, and self-management behaviors. The primary outcome was HbA(1c). Secondary outcomes included diet, physical activity, blood glucose self-monitoring, diabetes knowledge and self-efficacy, and other physiological factors (e.g., lipids, blood pressure, and weight). Measures were collected at baseline and at 4- and 12-month follow-up. Change in outcomes over time between the groups and the association between HbA(1c) and possible mediators were estimated using mixed-effects models and an intention-to-treat approach. RESULTS: A significant difference in HbA(1c) change between the groups was observed at 4 months (intervention -0.88 [-1.15 to -0.60] versus control -0.35 [-0.62 to 0.07], P < 0.01), although this difference decreased and lost statistical significance at 12 months (intervention -0.46 [-0.77 to -0.13] versus control -0.20 [-0.53 to 0.13], P = 0.293). The intervention resulted in significant change differences in diabetes knowledge at 12 months (P = 0.001), self-efficacy (P = 0.001), blood glucose self-monitoring (P = 0.02), and diet, including dietary quality (P = 0.01), kilocalories consumed (P < 0.001), percentage of fat (P = 0.003), and percentage of saturated fat (P = 0.04). These changes were in turn significantly associated with HbA(1c) change at 12 months. CONCLUSIONS: Literacy-sensitive, culturally tailored interventions can improve diabetes control among low-income Latinos; however, strategies to sustain improvements are needed.[1]

References

Randomized trial of a literacy-sensitive, culturally tailored diabetes self-management intervention for low-income latinos: latinos en control. Rosal, M.C., Ockene, I.S., Restrepo, A., White, M.J., Borg, A., Olendzki, B., Scavron, J., Candib, L., Welch, G., Reed, G. Diabetes. Care (2011) [Pubmed]

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