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Inequality in Children's Physical Activity Across Time-Segmented Youth Sport Practice
Ann E Rogers1, Christopher S Wichman1, Michaela A Schenkelberg2
1University of Nebraska Medical Center.
Research Quarterly for Exercise and Sport
|July 11, 2024
Summary
Youth sport practices show unequal physical activity (PA) distribution among children. Specific drills like warm-ups had less PA inequality, while strategy sessions had more, highlighting how practice structure impacts children's activity levels.
Area of Science:
- Pediatric Exercise Science
- Sports Medicine
- Public Health
Background:
- Youth sport (YS) is crucial for promoting physical activity (PA) in children.
- Previous research focused on average PA, neglecting inequalities in PA distribution during YS.
- Understanding PA inequality is vital for optimizing children's health outcomes in sports settings.
Purpose of the Study:
- To examine physical activity (PA) inequality during time-segmented youth sport practices.
- To investigate how characteristics of different practice segments influence PA inequality.
Main Methods:
- Utilized accelerometer and video data from 36 YS teams (101 practices) involving 392 children (ages 8-12).
- Segmented practices into episodes (n=991) and coded them by purpose, arrangement, and setting demand.
- Applied the Gini coefficient to quantify PA inequality and used generalized estimating equations to analyze episode structure effects.
Main Results:
- Warm-up, fitness, and sport skill episodes showed lower activity count inequality compared to other types.
- Management and strategy episodes exhibited greater inequality in moderate-to-vigorous PA (MVPA) minutes.
- Episodes fostering participation had less activity count inequality than those creating exclusion.
Conclusions:
- Physical activity (PA) inequality in youth sports is influenced by practice structure.
- The Gini coefficient is a valuable metric for identifying PA disparities in children's sports.
- Findings can inform strategies to enhance PA distribution and improve population health in youth sports.
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