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Published online April 4, 2008
Diabetes Care 31:1318-1320, 2008
DOI: 10.2337/dc07-2435
© 2008 by the American Diabetes Association
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Clinical Care/Education/Nutrition/Psychosocial Research
Original Research

Dietary Behaviors Predict Glycemic Control in Youth With Type 1 Diabetes

Sanjeev N. Mehta, MD, MPH1, Lisa K. Volkening, MA1, Barbara J. Anderson, PHD2, Tonja Nansel, BSN, PHD3, Jill Weissberg-Benchell, PHD4, Tim Wysocki, PHD5, Lori M.B. Laffel, MD, MPH1 for the Family Management of Childhood Diabetes Study Steering Committee

1 Joslin Diabetes Center, Boston, Massachusetts
2 Section of Endocrinology and Metabolism, Texas Children's Hospital, Houston, Texas
3 Prevention Research Branch, National Institute of Child Health and Human Development, Bethesda, Maryland
4 Department of Child and Adolescent Psychiatry, Children's Memorial Hospital, Chicago, Illinois
5 Division of Psychology and Psychiatry, Nemours Children's Clinic, Jacksonville, Florida

Corresponding author: Lori M.B. Laffel, lori.laffel{at}joslin.harvard.edu

OBJECTIVE—To investigate the association between dietary adherence and glycemic control among youth with type 1 diabetes.

RESEARCH DESIGN AND METHODS—We conducted a cross-sectional analysis of 119 youth aged 9–14 years (mean ± SD 12.1 ± 1.6 years) with diabetes duration ≥1 year (5.4 ± 3.1 years). Dietary adherence was assessed using the Diabetes Self-Management Profile diet domain. Higher score defined greater dietary adherence. Glycemic control was determined by A1C.

RESULTS—Dietary adherence score was inversely correlated with A1C (r = –0.36, P < 0.0001). In a multivariate model (R2 = 0.34, P < 0.0001), dietary adherence (P = 0.004), pump use (P = 0.03), and caregiver education (P = 0.01) were associated with A1C. A1C of youth in the lowest (9.0%) tertile of diet score was higher than A1C of youth in the middle (8.1%, P = 0.004) and upper (8.4%, P = 0.06) tertiles. Dietary adherence uniquely explained 8% of the variance in A1C in the model.

CONCLUSIONS—Greater dietary adherence was associated with lower A1C among youth with type 1 diabetes.


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Copyright © 2008 by the American Diabetes Association.