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BMC Public Health
Published in: BMC Public Health 1/2023

Open Access 01-12-2023 | COVID-19 | Research

Effect of the COVID-19 pandemic on obesity and its risk factors: a systematic review

Authors: Tahir Yousuf Nour, Kerim Hakan ALTINTAŞ

Published in: BMC Public Health | Issue 1/2023

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Abstract

Background

Coronavirus disease (COVID-19) is a contagious disease caused by the severe acute new coronavirus called SARS-CoV-2. Devastating social, economic, and health service utilisation-related activities. Increased burden and lifestyle changes due to confinement.

Objective

This study aimed to investigate and determine the determinants of obesity during the coronavirus disease (COVID-19) pandemic from 2019 to 2023.

Methods

Observational studies published between December 2019 and January 2023 were thoroughly searched using a PRISMA flow chart. PubMed, Google Scholar, Web of Science, HINARI, Scopus, and Embase databases were used. Two reviewers independently identified and critically evaluated the relevant literature. Studies that reported weight gain or involved BMI measurements of 25 kg/m2 or BMI z-scores for children during the COVID-19 lockdown were selected for inclusion. The Newcastle–Ottawa Scale (NOS) was used as a quality assessment instrument in nonrandomised studies to evaluate study quality. All the contributing determinants of weight increase were identified, gathered, and synthesised.

Results

This systematic review identified 40 studies with a total population of 5,681,813 from 22 countries, of which 74.6% were male. The sample size from included articles ranged from 37 to 5,315,435. Of the 40 selected articles, 24 focused on adults, five on adolescents, three on children, and eight on children and adolescents. Physical inactivity, sedentary behaviour, bad eating habits, behavioural lifestyle, excessive stress, depression, anxiety, behavioural risk factors, sex, and ethnic minorities were associated with obesity during the COVID-19 pandemic lockdown.

Conclusion

During the COVID-19 pandemic, physical inactivity, sedentary lifestyle, and poor eating patterns were the most common risk factors for obesity. Additionally, unhealthy eating habits, excessive behavioural stress, depression, anxiety, low mood, age, gender, and ethnic minorities have been identified as risk factors for obesity during the COVID-19 pandemic.
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Metadata
Title
Effect of the COVID-19 pandemic on obesity and its risk factors: a systematic review
Authors
Tahir Yousuf Nour
Kerim Hakan ALTINTAŞ
Publication date
01-12-2023
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2023
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/s12889-023-15833-2

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