Effects of school-based physical activity interventions on physical fitness and psychosocial adaptation in children: a systematic review and meta-analysis
- 1Institute of Physical Education, Huanggang Normal University , , ,
Abstract
Background: School-based physical activity (PA) interventions are a population-level strategy for improving children’s health, yet evidence on their combined effects on physical fitness and psychosocial adaptation remains fragmented. This systematic review and meta-analysis synthesized evidence from controlled intervention trials (randomized and non-randomized) examining school-based PA interventions on physical fitness (cardiorespiratory fitness, muscular fitness, body composition) and psychosocial adaptation (self-esteem, psychological well-being, social functioning) in children aged 6–12 years.
Methods: Following PRISMA 2020 guidelines, we searched PubMed, Web of Science, Embase, SPORTDiscus, Cochrane Library, and PsycINFO from inception to 15 January 2026. Randomized controlled trials (RCTs) and non-randomized controlled trials with a minimum 8-week school-based PA intervention and at least one physical fitness or psychosocial outcome were eligible. Random-effects meta-analyses were performed using Hedges’ g. Heterogeneity was assessed with I2 and Cochran’s Q. Risk of bias was evaluated using the Cochrane Risk of Bias 2 tool for RCTs and ROBINS-I for non-randomized trials.
Results: Forty studies (39 randomized, 1 non-randomized) involving 21,793 participants met inclusion criteria. School-based PA interventions were associated with significant improvements in cardiorespiratory fitness (g = 0.36, 95% CI [0.25, 0.46], p < 0.001, I2 = 98%) and muscular fitness (g = 0.24, 95% CI [0.17, 0.31], p < 0.001, I2 = 93%); the small reduction in body mass index did not reach statistical significance (g = −0.11, 95% CI [−0.27, 0.04], p = 0.154, I2 = 98%). For psychosocial outcomes, significant small effects were found for self-esteem (g = 0.18, 95% CI [0.10, 0.27], p < 0.001), psychological well-being (g = 0.15, 95% CI [0.09, 0.21], p < 0.001), and social functioning (g = 0.21, 95% CI [0.04, 0.38], p = 0.018). Exploratory subgroup analyses suggested that larger effects were associated with multicomponent interventions, durations of ≥24 weeks, and ≥3 sessions per week.
Conclusion: School-based PA interventions were associated with small-to-moderate improvements in physical fitness and small improvements in psychosocial adaptation in children. The findings support integrating comprehensive PA programs into school curricula. However, the small effect sizes for psychosocial outcomes and substantial heterogeneity underscore the need for rigorous studies with standardized measurement protocols.
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BibTeX
@article{zhang2026effects,
title = {{Effects of school-based physical activity interventions on physical fitness and psychosocial adaptation in children: a systematic review and meta-analysis}},
author = {Manyin Zhang and Bing Zhang},
journal = {Frontiers in public health},
year = {2026},
month = oct,
doi = {10.3389/fpubh.2026.1962774},
url = {https://europepmc.org/article/PMC/PMC13672567},
note = {CC BY},
}
RIS
TY - JOUR
TI - Effects of school-based physical activity interventions on physical fitness and psychosocial adaptation in children: a systematic review and meta-analysis
AU - Manyin Zhang
AU - Bing Zhang
PY - 2026
DA - 2026/10/02
JO - Frontiers in public health
DO - 10.3389/fpubh.2026.1962774
UR - https://europepmc.org/article/PMC/PMC13672567
AB - Background: School-based physical activity (PA) interventions are a population-level strategy for improving children’s health, yet evidence on their combined effects on physical fitness and psychosocial adaptation remains fragmented. This systematic review and meta-analysis synthesized evidence from controlled intervention trials (randomized and non-randomized) examining school-based PA interventions on physical fitness (cardiorespiratory fitness, muscular fitness, body composition) and psychosocial adaptation (self-esteem, psychological well-being, social functioning) in children aged 6–12 years. Methods: Following PRISMA 2020 guidelines, we searched PubMed, Web of Science, Embase, SPORTDiscus, Cochrane Library, and PsycINFO from inception to 15 January 2026. Randomized controlled trials (RCTs) and non-randomized controlled trials with a minimum 8-week school-based PA intervention and at least one physical fitness or psychosocial outcome were eligible. Random-effects meta-analyses were performed using Hedges’ g. Heterogeneity was assessed with I2 and Cochran’s Q. Risk of bias was evaluated using the Cochrane Risk of Bias 2 tool for RCTs and ROBINS-I for non-randomized trials. Results: Forty studies (39 randomized, 1 non-randomized) involving 21,793 participants met inclusion criteria. School-based PA interventions were associated with significant improvements in cardiorespiratory fitness (g = 0.36, 95% CI [0.25, 0.46], p < 0.001, I2 = 98%) and muscular fitness (g = 0.24, 95% CI [0.17, 0.31], p < 0.001, I2 = 93%); the small reduction in body mass index did not reach statistical significance (g = −0.11, 95% CI [−0.27, 0.04], p = 0.154, I2 = 98%). For psychosocial outcomes, significant small effects were found for self-esteem (g = 0.18, 95% CI [0.10, 0.27], p < 0.001), psychological well-being (g = 0.15, 95% CI [0.09, 0.21], p < 0.001), and social functioning (g = 0.21, 95% CI [0.04, 0.38], p = 0.018). Exploratory subgroup analyses suggested that larger effects were associated with multicomponent interventions, durations of ≥24 weeks, and ≥3 sessions per week. Conclusion: School-based PA interventions were associated with small-to-moderate improvements in physical fitness and small improvements in psychosocial adaptation in children. The findings support integrating comprehensive PA programs into school curricula. However, the small effect sizes for psychosocial outcomes and substantial heterogeneity underscore the need for rigorous studies with standardized measurement protocols.
SN - 2296-2565
ER -