Cited by 148Nutritional Studies and DietFatty Acid Research and HealthMental Health Treatment and Access

Adherence to the Mediterranean diet and risk of depression: a systematic review and updated meta-analysis of observational studies

Shafiei, Fateme, Salari-Moghaddam, Asma, Larijani, Bagher, Esmaillzadeh, Ahmad·2019·Nutrition Reviews

Abstract

CONTEXT: More than 300 million people worldwide have been diagnosed with depression, which is a leading cause of disability and disease burden. Elucidating dietary patterns that may reduce the risk of depression could help reduce the incidence of other diseases. DATA SOURCES: PubMed/MEDLINE, ISI Web of Science, Scopus, Embase, and Google Scholar databases were searched to identify relevant publications up to May 2018. STUDY SELECTION: All observational studies that considered the Mediterranean diet as the exposure variable and depression as the main outcome or as one of the outcome variables were included in this systematic review and meta-analysis. Two authors independently screened 3229 publications. A total of 14 observational studies were included in the meta-analysis. DATA EXTRACTION: Two authors independently extracted the data and assessed the risk of bias. RESULTS: The studies in the meta-analysis included a total of 56 043 participants. When 5 effect sizes from 4 cohort studies were combined, no significant association was observed between adherence to the Mediterranean diet and risk of depression (overall hazard ratio = 0.95; 95%CI, 0.79-1.16). When 3 effect sizes from 3 cohort studies that reported β coefficients were combined, again no significant association was found (β = -0.00; 95%CI, -0.12, 0.12). However, when 9 effect sizes from 9 cross-sectional studies were combined, an inverse significant association was found between adherence to the Mediterranean diet and risk of depression (overall odds ratio = 0.72; 95%CI, 0.60-0.87). CONCLUSIONS: The analysis of cohort studies revealed no significant association was found between adherence to the Mediterranean diet and risk of depression. However, an inverse significant association between adherence to the Mediterranean diet and odds of depression in cross-sectional studies.

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Crossref · 10.1093/nutrit/nuy070

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Authors
Shafiei, F., Salari-Moghaddam, A., Larijani, B., & Esmaillzadeh, A.
Affiliations
  • Tehran University of Medical Sciences (IR)
  • Endocrinology and Metabolism Clinical Sciences Institute (IR)
  • Isfahan University of Medical Sciences (IR)
Corresponding author
Esmaillzadeh, Ahmad
Venue
Nutrition Reviews
Published
2019-02-06
Volume
77
Issue
4
Pages
230-239
ISSN
  • 0029-6643 (ISSN-L)
  • 1753-4887
OpenAlex
W2911660708
Cited by
147
References
54
Citations by year
2026: 11 · 2025: 24 · 2024: 24 · 2023: 30 · 2022: 23 · 2021: 14 · 2020: 14 · 2019: 7
FWCI
1.59
Type
journal article
Language
en
Open access
closed
Locations
  • Nutrition Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
Tehran University of Medical Sciences
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Social Sciences › Psychology › Social Psychology › Mental Health Treatment and Access
Keywords
Mediterranean diet, dietary adherence, depression, depression risk, dietary habits, cross-sectional study, cohort studies, risk of bias
MeSH terms
Depressive Disorder, Humans, Diet, Mediterranean, Observational Studies as Topic

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