Moderators of School-Based Physical Activity Interventions on Cardiorespiratory Endurance in Primary School-Aged Children: A Meta-Regression
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Authors
Burns, Ryan D.
Brusseau, Timothy A.
Fu, You
Issue Date
2018
Type
Article
Language
Keywords
aerobic fitness , exercise , health , meta-analysis , youth
Alternative Title
Abstract
The purpose of this study was to examine potential moderators of school-based physical activity interventions on cariorespiratory endurance in primary school-aged children using meta-regression. An Internet search with several databases was employed, extracting school-based pediatric physical activity intervention studies published within the past 30 years. Studies were included if there was a control or comparison group, if the study sample included primary school-aged children, if the targeted outcome of cardiorespiratory endurance was objectively assessed, if the intervention was at least partially school-based, and if the effect estimate's variability was reported. An inverse-variance random effects meta-regression was employed using the primary predictors of component number (single component or multi-component) and intervention length using 20 extracted studies with 23 total effects. The overall pooled effect on cardiorespiratory endurance was statistically significant (Hedges' g = 0.30, 95% C.I.: 0.19-0.40
p < 0.001). Using random effects meta-regression, neither component number (b = -0.09, 95% C.I.: -0.40-0.23
p = 0.560) or intervention length (b = 0.001, 95% C.I.: -0.002-0.004
p = 0.427) yielded a significant modifying effect on cardiorespiratory endurance. School-based physical activity interventions have a significant pooled effect on cardiorespiratory endurance in primary school-aged children. Component number and intervention length does not modify this effect, suggesting other sources for between-study heterogeneity.
p < 0.001). Using random effects meta-regression, neither component number (b = -0.09, 95% C.I.: -0.40-0.23
p = 0.560) or intervention length (b = 0.001, 95% C.I.: -0.002-0.004
p = 0.427) yielded a significant modifying effect on cardiorespiratory endurance. School-based physical activity interventions have a significant pooled effect on cardiorespiratory endurance in primary school-aged children. Component number and intervention length does not modify this effect, suggesting other sources for between-study heterogeneity.
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Citation
Burns, R. D., Brusseau, T. A., & Fu, Y. (2018). Moderators of School-Based Physical Activity Interventions on Cardiorespiratory Endurance in Primary School-Aged Children: A Meta-Regression. International Journal of Environmental Research and Public Health, 15(8), 1764. doi:10.3390/ijerph15081764
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Journal
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PubMed ID
ISSN
1660-4601