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Obesity and Associated Factors in Brazilian Adults: Systematic Review and Meta-Analysis of Representative Studies

Author

Listed:
  • Cecilia Alcantara Braga Garcia

    (Faculty of Medical Sciences of Minas Gerais, Belo Horizonte 30130-110, MG, Brazil)

  • Karina Cardoso Meira

    (School of Health, Universidade Federal do Rio Grande do Norte, Natal 59078-970, RN, Brazil)

  • Alessandra Hubner Souza

    (Faculty of Medical Sciences of Minas Gerais, Belo Horizonte 30130-110, MG, Brazil)

  • Ana Laura de Grossi Oliveira

    (Graduate Program in Infectious Diseases and Tropical Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil)

  • Nathalia Sernizon Guimarães

    (Department of Nutrition, School of Nursing, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil)

Abstract

To review the literature and select population-based studies that are representative of Brazilian capitals or Brazil as a whole to estimate the prevalence of obesity among Brazilian adults. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) were used. The search was conducted in six databases and reference lists of included studies. We included observational studies but excluded interventional studies, reviews, in vitro studies, and editorials. The study population consisted of young adults and adults (18 to 59 years old). Adolescents, infants, children, the elderly, and pregnant women were excluded. The primary outcomes were the prevalence of obesity among Brazilian adults, both men and women. The secondary outcomes were factors associated with obesity. The meta-analysis was performed using Rstudio software, version 4.1.0, by using the ‘Meta’ package, version 5.0-0. The search strategy identified 5634 references, of which 19 studies and 21 national surveys were included in the meta-analysis. The pooled prevalence of obesity in Brazilian adults was 20.0% (95% CI: 14.0–25.0%) while in the capitals it was 17.0% (95% CI: 16.0–19.0%). Across the regions of Brazil, the prevalence ranged from 11.0% to 17.0%, with the highest frequency in the south. Increases in obesity prevalence were observed for both sexes in almost all periods, with consistently higher rates among women in most cases. The prevalence of obesity among Brazilian adults is high, with no statistically significant differences found in the subgroup analysis.

Suggested Citation

  • Cecilia Alcantara Braga Garcia & Karina Cardoso Meira & Alessandra Hubner Souza & Ana Laura de Grossi Oliveira & Nathalia Sernizon Guimarães, 2024. "Obesity and Associated Factors in Brazilian Adults: Systematic Review and Meta-Analysis of Representative Studies," IJERPH, MDPI, vol. 21(8), pages 1-23, August.
    • Handle: RePEc:gam:jijerp:v:21:y:2024:i:8:p:1022-:d:1449180
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    References listed on IDEAS

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    1. Adela Hruby & Frank Hu, 2015. "The Epidemiology of Obesity: A Big Picture," PharmacoEconomics, Springer, vol. 33(7), pages 673-689, July.
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