期刊
PUBLIC HEALTH NUTRITION
卷 17, 期 12, 页码 2769-2782出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1368980013003169
关键词
Mediterranean diet; Meta-analysis; Update; Score
Objective: To update previous meta-analyses of cohort studies that investigated the association between the Mediterranean diet and health status and to utilize data coming from all of the cohort studies for proposing a literature-based adherence score to the Mediterranean diet. Design: We conducted a comprehensive literature search through all electronic databases up to June 2013. Setting: Cohort prospective studies investigating adherence to the Mediterranean diet and health outcomes. Cut-off values of food groups used to compute the adherence score were obtained. Subjects: The updated search was performed in an overall population of 4172 412 subjects, with eighteen recent studies that were not present in the previous meta-analyses. Results: A 2-point increase in adherence score to the Mediterranean diet was reported to determine an 8% reduction of overall mortality (relative risk = 0.92; 95% CI 0.91, 0.93), a 10% reduced risk of CVD (relative risk = 0.90; 95% CI 0.87, 0.92) and a 4% reduction of neoplastic disease (relative risk = 0.96; 95% CI 0.95, 0.97). We utilized data coming from all cohort studies available in the literature for proposing a literature-based adherence score. Such a score ranges from 0 (minimal adherence) to 18 (maximal adherence) points and includes three different categories of consumption for each food group composing the Mediterranean diet. Conclusions: The Mediterranean diet was found to be a healthy dietary pattern in terms of morbidity and mortality. By using data from the cohort studies we proposed a literature-based adherence score that can represent an easy tool for the estimation of adherence to the Mediterranean diet also at the individual level.
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