Global impact of COVID-19 on weight and weight-related behaviors in the adult population: a scoping review
Open accessAbstract
Objective: To provide an overview of what is known about the impact of COVID-19 on weight and weight-related behaviors. Methods: Systematic scoping review using the Arksey and O’Malley methodology. Results: A total of 19 out of 396 articles were included. All studies were conducted using online self-report surveys. The average age of respondents ranged from 19 to 47 years old, comprised of more females. Almost one-half and one-fifth of the respondents gained and lost weight during the COVID-19 pandemic, respectively. Among articles that examined weight, diet and physical activity changes concurrently, weight gain was reported alongside a 36.3% to 59.6% increase in total food consumption and a 67.4% to 61.4% decrease in physical activities. Weight gain predictors included female sex, middle-age, increased appetite, snacking after dinner, less physical exercise, sedentary behaviors of ≥6 h/day, low water consumption and less sleep at night. Included articles did not illustrate significant associations between alcohol consumption, screen time, education, place of living and employment status, although sedentary behaviors, including screen time, did increase significantly. Conclusions: Examining behavioral differences alone is insufficient in predicting weight status. Future research could examine differences in personality and coping mechanisms to design more personalized and effective weight management interventions.
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Global estimates suggest that 12.8-48.6% of community-dwelling adults reported weight gain associated with lifestyle changes during the COVID-19 pandemic, with higher odds of weight gain among those with elevated baseline BMI.
“Global estimates suggest that 12.8–48.6% of community-dwelling adults reported weight gain associated with lifestyle changes during the COVID-19 pandemic, with higher odds of weight gain among those with elevated baseline BMI (51).”
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- Authors
- Chew, H. S. J., & Lopez, V.
- Affiliations
- National University of Singapore (SG)
- School of Nursing, Hubei University of Medicine, 30 South Renmin Road, Shiyan 442000, China
- Corresponding author
- Chew, Han Shi Jocelyn
- Venue
- International Journal of Environmental Research and Public Health
- Publisher
- MDPI AG
- Published
- 2021-02-15
- Volume
- 18
- Issue
- 4
- Pages
- 1876
- ISSN
- 1660-4601 (ISSN-L)
- PMC
- PMC7919006
- OpenAlex
- W3131018792
- Cited by
- 114
- References
- 35
- Citations by year
- 2026: 4 · 2025: 8 · 2024: 24 · 2023: 26 · 2022: 36 · 2021: 16
- FWCI
- 4.54
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- International Journal of Environmental Research and Public Health (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- National University of Singapore (submittedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
- Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
- Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
- Keywords
- COVID-19 pandemic, weight gain, weight loss, weight-related behaviors, diet, physical activity, sedentary behavior, screen time, sleep, appetite, water consumption, alcohol consumption, weight management interventions, adults
- MeSH terms
- COVID-19, Adult, Body Weight, Communicable Disease Control, Cross-Sectional Studies, Diet, Female, Humans, Male, Weight Gain, Exercise, Pandemics
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