Authors
Anastassios G Pittas, Bess Dawson-Hughes, Tricia Li, Rob M Van Dam, Walter C Willett, Joann E Manson, Frank B Hu
Publication date
2006/3/1
Journal
Diabetes care
Volume
29
Issue
3
Pages
650-656
Publisher
American Diabetes Association
Description
OBJECTIVE—The purpose of this study was to prospectively examine the association between vitamin D and calcium intake and risk of type 2 diabetes.
RESEARCH DESIGN AND METHODS—In the Nurses’ Health Study, we followed 83,779 women who had no history of diabetes, cardiovascular disease, or cancer at baseline for the development of type 2 diabetes. Vitamin D and calcium intake from diet and supplements was assessed every 2–4 years. During 20 years of follow-up, we documented 4,843 incident cases of type 2 diabetes.
RESULTS—After adjusting for multiple potential confounders, there was no association between total vitamin D intake and type 2 diabetes. However, the relative risk (RR) of type 2 diabetes was 0.87 (95% CI 0.75–1.00; P for trend = 0.04) comparing the highest with the lowest category of vitamin D intake from supplements. The multivariate RRs of type 2 diabetes were 0.79 (0.70 …
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AG Pittas, B Dawson-Hughes, T Li, RM Van Dam… - Diabetes care, 2006