Ambiente alimentario y exceso de peso en la población escolar: revisión sistemática en América del Sur

Translated title of the contribution: Food environment and excess weight in schoolchildren: a South American systematic review

Najla de Oliveira Cardozo, Alex Harley Crisp, Anna Christina Pinheiro Fernandes, Angela Cristina Bizzotto Trude, Jacqueline Araneda-Flores, Maria Rita Marques de Oliveira

Research output: Contribution to journalReview articlepeer-review


Objective. To identify and compile the findings of observational studies analyzing the relationship of factors from the school food environment and individual factors related to food consumption in school with excess weight in schoolchildren from South America in the period from 2011 to 2021. Method. The literature review involved a search performed in five databases (PubMed, Web of Science, SciELO, Scopus, and LILACS) and in Google Scholar, as well as a consultation with specialists. Studies were selected if they had an observational design, included schoolchildren aged 5 to 19 years, were performed in South America, and used objective measures such as body mass index (World Health Organization and/or International Obesity Task Force) to assess weight in association with school food environment factors and individual school consumption factors. The protocol was registered in PROSPERO (CRD42020212383). Results. Of 906 identified records, 13 cross-sectional studies (one from Argentina, one from Ecuador, and 11 from Brazil) were included in the review. The prevalence of overweight ranged from 7.5% to 32.5%, and of obesity, from 1.7% to 28.0%. School environment factors from the policy and physical domains (such as unsatisfactory food and nutrition education and unavailability of school-prepared meals) were associated with increased prevalence of excess weight. Individual factors related to adherence to the school meal program (such as consumption of meals offered by the school instead of bringing a snack from home) were associated with lower prevalence of excess weight. Conclusions. Only a few studies are available in South America with a focus on individual and/or school food environment factors and excess weight in schoolchildren. Since the available evidence is restricted to local or regional contexts, new national-level studies are warranted.

Translated title of the contributionFood environment and excess weight in schoolchildren: a South American systematic review
Original languageSpanish
Article numbere164
JournalRevista Panamericana de Salud Publica/Pan American Journal of Public Health
StatePublished - 2022


  • Built environment
  • food
  • nutrition education
  • pediatric obesity
  • school feeding
  • South America

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health


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