Fatty acid consumption and incident type 2 diabetes: an 18-year follow-up in the female E3N (Etude Epidemiologique aupres des femmes de la Mutuelle Generale de l'Education Nationale) prospective cohort study - Université de Rennes Accéder directement au contenu
Article Dans Une Revue British Journal of Nutrition Année : 2016

Fatty acid consumption and incident type 2 diabetes: an 18-year follow-up in the female E3N (Etude Epidemiologique aupres des femmes de la Mutuelle Generale de l'Education Nationale) prospective cohort study

Résumé

We evaluated the association between dietary estimates of fatty acid (FA) consumption and type 2 diabetes (T2D) risk in the French E3N (Etude Epidemiologique aupres des femmes de la Mutuelle Generale de l'Education Nationale) cohort. In total, 71 334 women without diabetes at baseline were followed up from 1993 to 2011. Diabetes was identified using questionnaires and drug-reimbursement claims, and incident cases were validated. FA consumption in 1993 was estimated from a validated dietary questionnaire. Cox regression estimated hazard ratios (HR) and 95% CI of diabetes risk, comparing the upper tertile group with the lowest. High n-3 PUFA consumption was associated with T2D even after adjustment for confounders, including other FA and BMI (HR 1.26; 95% CI 1.13, 1.41; upper tertile compared with lowest). Upon stratification by overweight (BMI >= 25kg/m(2))/non-overweight, a positive association between total PUFA consumption and T2D was observed, but it was restricted to non-overweight women (HR 1.22; 95% CI 1.05, 1.42), whereas n-3 PUFA consumption was associated with increased T2D risk in both BMI strata (BMI< 25 kg/m(2): HR 1.19; 95% CI 1.01, 1.40 and BMI >= 25kg/m(2): HR 1.38; 95% CI 1.20, 1.59). Within the n-3 PUFA, high DPA (HR 1.41; 95% CI 1.23, 1.63) and alpha-linolenic acid (ALA) intakes were associated with increased T2D risk, but the effects of ALA were restricted to overweight women (HR 1.17; 95% CI 1.01, 1.36). Within the n-6 PUFA, only arachidonic acid (AA) intake was associated with T2D risk (HR 1.49; 95% CI 1.33, 1.66). The associations with DPA and AA persisted even after adjustment of their principal source in this cohort, the consumption of meat. The effects of PUFA are heterogeneous within the FA group. Intake of DPA and AA may contribute to T2D development.

Dates et versions

hal-01439219 , version 1 (18-01-2017)

Identifiants

Citer

Courtney Dow, Marie Mangin, Beverley Balkau, Aurélie Affret, Marie-Christine Boutron-Ruault, et al.. Fatty acid consumption and incident type 2 diabetes: an 18-year follow-up in the female E3N (Etude Epidemiologique aupres des femmes de la Mutuelle Generale de l'Education Nationale) prospective cohort study. British Journal of Nutrition, 2016, 116 (10), pp.1807--1815. ⟨10.1017/S0007114516003883⟩. ⟨hal-01439219⟩
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