Journal Article

Dietary Patterns and the Incidence of Type 2 Diabetes

Jukka Montonen, Paul Knekt, Tommi Härkänen, Ritva Järvinen, Markku Heliövaara, Arpo Aromaa and Antti Reunanen

in American Journal of Epidemiology

Published on behalf of Johns Hopkins Bloomberg School of Public Health

Volume 161, issue 3, pages 219-227
Published in print February 2005 | ISSN: 0002-9262
Published online February 2005 | e-ISSN: 1476-6256 | DOI: http://dx.doi.org/10.1093/aje/kwi039
Dietary Patterns and the Incidence of Type 2 Diabetes

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Major dietary patterns were studied for the ability to predict type 2 diabetes mellitus in a cohort of 4,304 Finnish men and women aged 40–69 years and free of diabetes at baseline in 1967–1972. Factor analysis was used to identify dietary patterns from dietary data that were collected using a 1-year dietary history interview. A total of 383 incident cases of type 2 diabetes occurred during a 23-year follow-up. Two major dietary patterns were identified. The pattern labeled “prudent” was characterized by higher consumption of fruits and vegetables, and the pattern labeled “conservative” was characterized by consumption of butter, potatoes, and whole milk. The relative risks (adjusted for nondietary confounders) between the extreme quartiles of the pattern scores were 0.72 (95% confidence interval: 0.53, 0.97; ptrend = 0.03) for the prudent pattern and 1.49 (95% confidence interval: 1.11, 2.00; ptrend = 0.01) for the conservative pattern. Thus, the prudent dietary pattern score was associated with a reduced risk and the conservative pattern score was associated with an increased risk of type 2 diabetes. In light of these results, it appears conceivable that the risk of developing type 2 diabetes can be reduced by changing dietary patterns.

Keywords: diabetes mellitus, type 2; diet; food habits; prospective studies; CI, confidence interval.

Journal Article.  6056 words.  Illustrated.

Subjects: Public Health and Epidemiology

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