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Adherence to the Healthy Eating Index and Alternative Healthy Eating Index dietary patterns and mortality from all causes, cardiovascular disease and cancer: a meta-analysis of observational studies

TitleAdherence to the Healthy Eating Index and Alternative Healthy Eating Index dietary patterns and mortality from all causes, cardiovascular disease and cancer: a meta-analysis of observational studies
Publication TypeJournal Article
Year of Publication2017
AuthorsOnvani, S, Haghighatdoost, F, Surkan, PJ, Larijani, B, Azadbakht, L
JournalJ Hum Nutr Diet
Volume30
Pagination216-226
Date PublishedApr
ISBN Number1365-277X (Electronic)0952-3871 (Linking)
Accession Number27620213
KeywordsAlternative Healthy Eating Index, cancer, cardiovascular, Healthy Eating Index, Mortality
Abstract

BACKGROUND: This meta-analysis investigated the association of diet quality indices, as assessed by HEI and AHEI, and the risk of all-cause, cardiovascular and cancer mortality. METHODS: We used PubMed, ISI Web of Science and Google Scholar to search for eligible articles published before July 2015. A total of 12 cohort studies (38 reports) and one cross-sectional study (three reports) met the inclusion criteria and were included in our meta-analysis. RESULTS: The highest level of adherence to the Healthy Eating Index (HEI) and Alternative Healthy Eating Index (AHEI) was significantly associated with a reduced risk of all-cause mortality [relative risk (RR) = 0.77, 95% confidence intterval (CI) = 0.76-0.78], cardiovascular mortality (RR = 0.77, 95% CI = 0.74-0.80) and cancer mortality (RR = 0.83, 95% CI = 0.81-0.86). Egger regression tests provided no evidence of publication bias. CONCLUSIONS: The present study indicates that high adherence to HEI and AHEI dietary patterns, indicating high diet quality, are associated with reduced risk of all-cause mortality (as well as cardiovascular mortality and cancer mortality).