ArticleNutrition journal2025
Adherence to French dietary guidelines is associated with a reduced risk of mortality in the E3N French prospective cohort.
Article in Nutrition journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDiet is a modifiable risk factor for non-communicable diseases which are the major causes of death worldwide. French dietary guidelines, updated in 2017, provide recommendations for a healthier diet. We aimed to study the association between adherence to these dietary guidelines and mortality in the E3N (Etude Epidémiologique auprès de femmes de l'Education Nationale) French cohort. A secondary objective was to investigate the role of dietary exposure to chemical contaminants in this association.
methodsWe studied 72 585 women of the E3N prospective cohort, which completed a food frequency questionnaire in 1993. We estimated adherence to French dietary guidelines using the simplified "Programme National Nutrition Santé-guidelines score 2" (sPNNS-GS2, range -20.4 to 12.6). We estimated the association between sPNNS-GS2 and all-cause or cause-specific mortality using Cox proportional hazard models. Causes of death were coded and validated by the French Epidemiology Center on Medical Causes of Death (Inserm-CépiDc).
resultsDuring follow-up (1993-2014), we identified 6 441 deaths. The mean sPNNS-GS2 was 3.8 (SD 3.0). In the fully adjusted model, we found a non-linear association between sPNNS-GS2 and all-cause, all-cancer, breast cancer and lung cancer mortality (p-values for the overall association < 0.001), with a diminution of the risk as sPNNS-GS2 increases up to its median or 65
conclusionsThis study conducted in a large prospective cohort following more than 70 000 women for over 20 years suggested that higher adherence to French dietary guidelines was associated with a reduced risk of mortality from all-cause, cardiovascular diseases, all-cancer, breast cancer, and lung cancer, except for high values of adherence for lung cancer mortality. These results contribute to informing on the importance of following the French nutritional recommendations.
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