Adherence to the DASH Diet is Inversely Associated with Incidence of Type 2 Diabetes: The Insulin Resistance Atherosclerosis Study
- Angela D Liese, PhD, MPH (Liese{at}sc.edu)1,
- Michele Nichols, MS1,
- Xuezheng Sun, MSPH1,
- Ralph B D'Agostino, Jr, PhD2 and
- Steven M Haffner, MD3
- 1Department of Epidemiology and Biostatistics and Center for Research in Nutrition and Health Disparities, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina
- 2Department of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, North Carolina
- 3Department of Medicine, University of Texas Health Science Center at San Antonio, Texas
Abstract
Objective: The Dietary Approaches to Stop Hypertension (DASH) diet has been promoted widely, yet little is known about its impact on type 2 diabetes mellitus (T2DM).
Research Design and Methods: We evaluated the association of DASH diet with incidence of T2DM among 862 participants of the Insulin Resistance Atherosclerosis Study who completed a 1-year food frequency questionnaire at baseline. T2DM odds ratios (OR) were estimated at tertiles (T) of the DASH score.
Results: An inverse association was observed in Whites (T2 vs. T1: OR=0.66, 95%CI 0.29-1.48) which became significant for the most extreme contrast (T3 vs. T1: OR=0.31, 95% CI 0.13-0.75) adjusting for covariates No association was observed in Blacks or Hispanics (T2 vs. T1: OR=1.16 95%CI 0.61-2.18; T3 vs. T1 OR=1.34, 95%CI 0.70-2.58).
Conclusion: Adherence to the DASH dietary pattern, which is rich in vegetables, fruit, and low-fat dairy products, may have the potential to prevent type 2 diabetes.
Footnotes
-
- Received February 6, 2009.
- Accepted May 12, 2009.
- Copyright © American Diabetes Association
