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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

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...

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Bibliographic Details
Published in:Journal of human nutrition and dietetics 2017-04, Vol.30 (2), p.216-226
Main Authors: Onvani, S., Haghighatdoost, F., Surkan, P. J., Larijani, B., Azadbakht, L.
Format: Article
Language:English
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Summary: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).
ISSN:0952-3871
1365-277X
DOI:10.1111/jhn.12415