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Meta-analysis of community-based interventions on fruits and vegetables consumption in adults

Masoumeh Jabbari (Department of Community Nutrition, National Nutrition and Food Technology Research Institute, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran)
Nazli Namazi (Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran)
Pardis Irandoost (Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran)
Leila Rezazadeh (Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran)
Nahid Ramezani-Jolfaie (Food Health Research Center, Hormozgan University of Medical Sciences, Bandar-Abbas, Iran)
Mina Babashahi (Nutrition Research Center, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran)
Samira Pourmoradian (Nutrition Research Center, Department of Community Nutrition, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran)
Meisam Barati (Department of Clinical Nutrition and Dietetics, School of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran)

Nutrition & Food Science

ISSN: 0034-6659

Article publication date: 2 November 2023

Issue publication date: 2 January 2024

43

Abstract

Purpose

Despite the well-known positive effects of fruits and vegetables, their consumption in many countries is lower than those recommended. This study aims to systematically examine the effects of community-based interventions on fruits and vegetables consumption in adults.

Design/methodology/approach

To collect relevant publications, the authors searched electronic databases including PubMed/MEDLINE, Scopus and Web of Science from January 2000 to July 2021. Considering random models, this study analyzed the data using weighted mean differences (WMD) and 95% confidence intervals (CI).

Findings

Among 1,621 retrieved publications, 21 articles met the inclusion criteria. The overall effect size demonstrated that, at the end of the trials, the educational interventions increased the consumption of aggregated fruits and vegetables (WMD: 0.55 serving/day, 95%CI: 0.34, 0.77), and vegetables (WMD: 0.15, 95%CI: 0.09, 0.21, I2: 33.2%; p = 0.103) in the intervention groups, compared to the control groups.

Practical implications

The subgroup analyses that were based on the type of interventions (face-to-face education compared to online interventions), location (home-based compared to the other types of interventions) and duration (24 weeks and higher) of interventions, and accompanied financial support reduced between-group heterogeneity. An efficient interventional program on increasing fruits and vegetables consumption should be part of a multi-component project.

Originality/value

To the best of the authors’ knowledge, no systematic review and meta-analysis has provided a summary of the effects of community-based interventions on fruits and vegetables consumption in adult populations, and there is no fixed conclusion that could be drawn in this regard.

Keywords

Acknowledgements

Competing interests: The authors declare that they have no competing interests.

Availability of data and materials: Not applicable.

Citation

Jabbari, M., Namazi, N., Irandoost, P., Rezazadeh, L., Ramezani-Jolfaie, N., Babashahi, M., Pourmoradian, S. and Barati, M. (2024), "Meta-analysis of community-based interventions on fruits and vegetables consumption in adults", Nutrition & Food Science, Vol. 54 No. 1, pp. 164-191. https://doi.org/10.1108/NFS-05-2023-0115

Publisher

:

Emerald Publishing Limited

Copyright © 2023, Emerald Publishing Limited

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