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Development of an EAT-Lancet index and its relation to mortality in a Swedish population.
Lund University, Sweden.
Lund University, Sweden.
Lund University, Sweden.
Lund University, Sweden.
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2022 (English)In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 115, no 3, p. 705-716Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Current global food systems threaten human health and environmental sustainability. In 2019, the EAT-Lancet Commission on healthy diets from sustainable food systems defined the first global reference diet to improve both areas, but there is no consensus on how to quantify the EAT-Lancet reference diet as a diet index and its relation to mortality has not been widely studied. OBJECTIVE: To develop a new dietary index to quantify adherence to the EAT-Lancet diet and assess its association with mortality in a large population-based Swedish cohort. We also examined food components included in the index and their individual associations with mortality. DESIGN: We used the Malmö Diet and Cancer cohort (n = 22,421, 45-73 years at baseline). Dietary data were collected using a modified diet history method. The EAT-Lancet index was developed based on intake levels and reference intervals of 14 food components defined in the EAT-Lancet diet (0-3 points per component, 0-42 points in total). Associations with mortality were examined based on registers during a mean of 20 years of follow-up and were adjusted for potential confounders. RESULTS: Divided into five adherence groups, the highest adherence to the EAT-Lancet diet (≥23 points) was associated with lower all-cause mortality (HR: 0.75; 95% CI: 0.67, 0.85), cancer mortality (HR 0.76; 95% CI: 0.63, 0.92) and cardiovascular mortality (HR 0.68; 95% CI: 0.54, 0.84) than the lowest adherence (≤13 points). Several food components included in the index contributed to the observed reductions in mortality. CONCLUSIONS: We developed a new dietary index to investigate adherence to the EAT-Lancet diet. The findings indicate a 25% lower risk of mortality among those with the highest adherence to the EAT-Lancet diet, as defined using our index, which adds to the evidence base for the development of sustainable dietary guidelines.

Place, publisher, year, edition, pages
2022. Vol. 115, no 3, p. 705-716
Keywords [en]
diet, environment, healthy eating, mortality, nutrition, survival, sustainable development
National Category
Nutrition and Dietetics
Identifiers
URN: urn:nbn:se:ri:diva-57673DOI: 10.1093/ajcn/nqab369Scopus ID: 2-s2.0-85123923025OAI: oai:DiVA.org:ri-57673DiVA, id: diva2:1625480
Available from: 2022-01-07 Created: 2022-01-07 Last updated: 2023-03-22Bibliographically approved

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Hallström, Elinor

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