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Vegetarian diets and incidence of diabetes in the Adventist Health Study-2.
Nutr Metab Cardiovasc Dis 2013; 23(4):292-9NM

Abstract

AIM

To evaluate the relationship of diet to incident diabetes among non-Black and Black participants in the Adventist Health Study-2.

METHODS AND RESULTS

Participants were 15,200 men and 26,187 women (17.3% Blacks) across the U.S. and Canada who were free of diabetes and who provided demographic, anthropometric, lifestyle and dietary data. Participants were grouped as vegan, lacto ovo vegetarian, pesco vegetarian, semi-vegetarian or non-vegetarian (reference group). A follow-up questionnaire after two years elicited information on the development of diabetes. Cases of diabetes developed in 0.54% of vegans, 1.08% of lacto ovo vegetarians, 1.29% of pesco vegetarians, 0.92% of semi-vegetarians and 2.12% of non-vegetarians. Blacks had an increased risk compared to non-Blacks (odds ratio [OR] 1.364; 95% confidence interval [CI], 1.093-1.702). In multiple logistic regression analysis controlling for age, gender, education, income, television watching, physical activity, sleep, alcohol use, smoking and BMI, vegans (OR 0.381; 95% CI 0.236-0.617), lacto ovo vegetarians (OR 0.618; 95% CI 0.503-0.760) and semi-vegetarians (OR 0.486, 95% CI 0.312-0.755) had a lower risk of diabetes than non-vegetarians. In non-Blacks vegan, lacto ovo and semi-vegetarian diets were protective against diabetes (OR 0.429, 95% CI 0.249-0.740; OR 0.684, 95% CI 0.542-0.862; OR 0.501, 95% CI 0.303-0.827); among Blacks vegan and lacto ovo vegetarian diets were protective (OR 0.304, 95% CI 0.110-0.842; OR 0.472, 95% CI 0.270-0.825). These associations were strengthened when BMI was removed from the analyses.

CONCLUSION

Vegetarian diets (vegan, lacto ovo, semi-) were associated with a substantial and independent reduction in diabetes incidence. In Blacks the dimension of the protection associated with vegetarian diets was as great as the excess risk associated with Black ethnicity.

Authors+Show Affiliations

Loma Linda University School of Public Health, Department of Health Promotion and Education, Loma Linda, CA 92354, USA. stonstad@llu.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Multicenter Study
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21983060

Citation

Tonstad, S, et al. "Vegetarian Diets and Incidence of Diabetes in the Adventist Health Study-2." Nutrition, Metabolism, and Cardiovascular Diseases : NMCD, vol. 23, no. 4, 2013, pp. 292-9.
Tonstad S, Stewart K, Oda K, et al. Vegetarian diets and incidence of diabetes in the Adventist Health Study-2. Nutr Metab Cardiovasc Dis. 2013;23(4):292-9.
Tonstad, S., Stewart, K., Oda, K., Batech, M., Herring, R. P., & Fraser, G. E. (2013). Vegetarian diets and incidence of diabetes in the Adventist Health Study-2. Nutrition, Metabolism, and Cardiovascular Diseases : NMCD, 23(4), pp. 292-9. doi:10.1016/j.numecd.2011.07.004.
Tonstad S, et al. Vegetarian Diets and Incidence of Diabetes in the Adventist Health Study-2. Nutr Metab Cardiovasc Dis. 2013;23(4):292-9. PubMed PMID: 21983060.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vegetarian diets and incidence of diabetes in the Adventist Health Study-2. AU - Tonstad,S, AU - Stewart,K, AU - Oda,K, AU - Batech,M, AU - Herring,R P, AU - Fraser,G E, Y1 - 2011/10/07/ PY - 2011/03/01/received PY - 2011/07/13/revised PY - 2011/07/15/accepted PY - 2011/10/11/entrez PY - 2011/10/11/pubmed PY - 2013/9/10/medline SP - 292 EP - 9 JF - Nutrition, metabolism, and cardiovascular diseases : NMCD JO - Nutr Metab Cardiovasc Dis VL - 23 IS - 4 N2 - AIM: To evaluate the relationship of diet to incident diabetes among non-Black and Black participants in the Adventist Health Study-2. METHODS AND RESULTS: Participants were 15,200 men and 26,187 women (17.3% Blacks) across the U.S. and Canada who were free of diabetes and who provided demographic, anthropometric, lifestyle and dietary data. Participants were grouped as vegan, lacto ovo vegetarian, pesco vegetarian, semi-vegetarian or non-vegetarian (reference group). A follow-up questionnaire after two years elicited information on the development of diabetes. Cases of diabetes developed in 0.54% of vegans, 1.08% of lacto ovo vegetarians, 1.29% of pesco vegetarians, 0.92% of semi-vegetarians and 2.12% of non-vegetarians. Blacks had an increased risk compared to non-Blacks (odds ratio [OR] 1.364; 95% confidence interval [CI], 1.093-1.702). In multiple logistic regression analysis controlling for age, gender, education, income, television watching, physical activity, sleep, alcohol use, smoking and BMI, vegans (OR 0.381; 95% CI 0.236-0.617), lacto ovo vegetarians (OR 0.618; 95% CI 0.503-0.760) and semi-vegetarians (OR 0.486, 95% CI 0.312-0.755) had a lower risk of diabetes than non-vegetarians. In non-Blacks vegan, lacto ovo and semi-vegetarian diets were protective against diabetes (OR 0.429, 95% CI 0.249-0.740; OR 0.684, 95% CI 0.542-0.862; OR 0.501, 95% CI 0.303-0.827); among Blacks vegan and lacto ovo vegetarian diets were protective (OR 0.304, 95% CI 0.110-0.842; OR 0.472, 95% CI 0.270-0.825). These associations were strengthened when BMI was removed from the analyses. CONCLUSION: Vegetarian diets (vegan, lacto ovo, semi-) were associated with a substantial and independent reduction in diabetes incidence. In Blacks the dimension of the protection associated with vegetarian diets was as great as the excess risk associated with Black ethnicity. SN - 1590-3729 UR - https://www.unboundmedicine.com/medline/citation/21983060/Vegetarian_diets_and_incidence_of_diabetes_in_the_Adventist_Health_Study_2_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0939-4753(11)00170-0 DB - PRIME DP - Unbound Medicine ER -