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Adherence to the Swedish dietary guidelines and the impact on mortality and climate in a population-based cohort study
University of Gothenburg, Sweden.
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0000-0002-0522-3591
University of Gothenburg, Sweden; Swedish Food Agency, Sweden.
University Umeå, Sweden.
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2023 (English)In: Public Health Nutrition, ISSN 1368-9800, E-ISSN 1475-2727Article in journal (Refereed) Epub ahead of print
Abstract [en]

Objective: To assess the associations between adherence to the Swedish dietary guidelines and all-cause mortality and thus assessing the index' ability to predict health outcomes, as well as levels of dietary greenhouse gas emissions (GHGEs). Design: A longitudinal study 1990-2016 within the population-based cohort Västerbotten Intervention Programme. Dietary data were based on food frequency questionnaires. Diet quality was assessed by the Swedish Healthy Eating Index for Adults 2015 (SHEIA15), based on the 2015 Swedish dietary guidelines. Dietary GHGEs were estimated from life cycle assessment data including emissions from farm to industry gate. Hazard ratios (HRs) and 95% confidence intervals (CIs) of all-cause mortality were evaluated with Cox proportional hazards regression, and differences in median GHGEs were tested using the Kruskal-Wallis one-way ANOVA test, between quintiles of SHEIA15 score. Setting: Northern Sweden. Participants: In total, 49,124 women and 47,651 men, aged 35-65 years. Results: Median follow-up times were 16.0 years for women and 14.7 years for men, during which time 3074 women and 4212 men died. A consistent trend of lower all-cause mortality HRs for both sexes with higher SHEIA15 scores was demonstrated. For women, the all-cause mortality HR was 0.81 [(95% CI 0.71-0.92); p=0.001] and for men 0.90 [(95% CI 0.81-0.996); p=0.041] between the quintile with the highest SHEIA15 score compared with the quintile with the lowest SHEIA15 score. A consistent trend of lower estimated dietary GHGEs among both sexes with higher SHEIA15 scores was also found. Conclusions: Adherence to Swedish dietary guidelines, estimated by SHEIA15, seems to promote longevity and reduce dietary climate impact. © The Authors 2023.

Place, publisher, year, edition, pages
Cambridge University Press , 2023.
Keywords [en]
diet quality, dietary indices, food-based dietary guidelines, sustainability, sustainable diets, adult, aged, all cause mortality, analysis of variance, article, climate, cohort analysis, controlled study, diet, female, follow up, food frequency questionnaire, greenhouse gas emission, Healthy Eating Index, human, human experiment, life cycle assessment, longevity, longitudinal study, major clinical study, male, mortality, practice guideline, Sweden
National Category
Nutrition and Dietetics
Identifiers
URN: urn:nbn:se:ri:diva-65683DOI: 10.1017/S1368980023001295Scopus ID: 2-s2.0-85165115881OAI: oai:DiVA.org:ri-65683DiVA, id: diva2:1786845
Note

Funding: The Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (Formas).

Available from: 2023-08-10 Created: 2023-08-10 Last updated: 2023-08-10Bibliographically approved

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Hallström, Elinor

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