Journal
BMJ OPEN DIABETES RESEARCH & CARE
Volume 5, Issue 1, Pages -Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/bmjdrc-2016-000339
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Funding
- National Institutes of Health (NIH) [5P50 HL105184]
- Centers for Disease Control and Prevention (CDC) [U48/DP001944]
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Objective: To examine weight change by diabetes status among participants receiving a Mediterranean-style diet, physical activity, and weight loss intervention adapted for delivery in the southeastern USA, where rates of cardiovascular disease (CVD) are disproportionately high. Research design and methods: The intervention included: Phase I (months 1-6), an individually tailored intervention promoting a Mediterranean-style dietary pattern and increased walking; Phase II (months 7-12), option of a 16-week weight loss intervention for those with BMI >= 25 kg/m(2) offered as 16 weekly group sessions or 5 group sessions and 10 phone calls, or a lifestyle maintenance intervention; and Phase III (months 13-24), weight loss maintenance intervention for those losing >= 8 pounds with all others receiving a lifestyle maintenance intervention. Weight change was assessed at 6, 12, and 24-month follow-up. Results: Baseline characteristics (n=339): mean age 56, 77% female, 65% African-American, 124 (37%) with diabetes; mean weight 103 kg for those with diabetes and 95 kg for those without. Among participants with diabetes, average weight change was -1.2 kg (95% CI -2.1 to -0.4) at 6 months (n=92), -1.5 kg (95% CI -2.9 to -0.2) at 12 months (n=96), and -3.7 kg (95% CI -5.2 to -2.1) at 24 months (n=93). Among those without diabetes, weight change was -0.4 kg (95% CI -1.4 to 0.6) at 24 months (n=154). Conclusions: Participants with diabetes experienced sustained weight loss at 24-month follow-up. High-risk US populations with diabetes may experience clinically important weight loss from this type of lifestyle intervention.
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