The Effect of Portion Size Interventions on Energy Intake and Risk of Obesity in School-Aged Children: A Systematic Review and Meta-Analysis.

ABSTRACT: Objectives: An increase in food portion size offered to children over recent decades has been suggested to contribute to the rise in childhood obesity. This review investigated the effect of interventions that manipulated portion size on energy intake and risk of obesity in school-aged children. Methods: A systematic search was performed using MEDLINE, Embase, and Cochrane Library databases (from inception to 2025). Included studies were original articles in English, involving children aged 5-17 years, that focused on portion size interventions using an experimental or controlled study design, with energy intake, body weight, or body mass index (BMI) as the study outcome. The risk of bias was evaluated using the Quality Criteria Checklist (QCC). Results: From 514 artic

SUBMITTER: Sani SL 

PROVIDER: S-EPMC12472955 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature