期刊
NUTRITION
卷 24, 期 1, 页码 45-56出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.nut.2007.10.008
关键词
glycemic index; carbohydrates; diabetes mellitus; type 2; randomized clinical trial
资金
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [P30DK032520] Funding Source: NIH RePORTER
- NIDDK NIH HHS [5 P30 DK032520, P30 DK032520-170001, P30 DK032520] Funding Source: Medline
Objective: We compared the effects of a low glycemic index (GI) diet with the American Diabetes Association (ADA) diet on glycosylated hemoglobin (HbAlc) among individuals with type 2 diabetes. Methods: Forty individuals with poorly controlled type 2 diabetes were randomized to a low-GI or, an ADA diet. The intervention, consisting of eight educational sessions (monthly for the first 6 mo and then at months 8 and 10), focused on a low-GI or an ADA diet. Data on demographics, diet, physical activity, psychosocial factors, and diabetes medication use were assessed at baseline and 6 and 12 mo. Generalized linear mixed models were used to compare the two groups on HbAlc, diabetic medication use, blood lipids, weight, diet, and physical activity. Results: Participants (53% female, mean age 53.5 y) were predominantly white with a mean body mass index of 35.8 kg/m(2). Although both interventions achieved similar reductions in mean HbAlc at 6 mo and 12 mo, the low-GI diet group was less likely to add or increase dosage of diabetic medications (odds ratio 0.26, P = 0.01). Improvements in high-density lipoprotein cholesterol, triacylglycerols, and weight loss were similar between groups. Conclusion: Compared with the ADA diet, the low-GI diet achieved equivalent control of HbAlc using less diabetic medication. Despite its limited size, this trial suggests that a low-GI diet is a viable alternative to the ADA diet. Findings should be evaluated in a larger randomized controlled trial. (C) 2008 Elsevier Inc. All rights reserved.
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