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Updated: May 25, 2026
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Physical Activity Measurement in Children Accepting Table Tennis Training
Published on: July 27, 2022
Multilevel predictors of adolescent physical activity: a longitudinal analysis
Mary O Hearst1, Carrie D Patnode, John R Sirard
1Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN 55454, USA. hearst@umn.edu
Summary
Early physical activity (PA) habits are key for maintaining adolescent PA. Interventions before middle school may be needed to support sustained activity levels throughout adolescence.
Area of Science:
- Adolescent Health
- Behavioral Science
- Public Health
Background:
- Examines the social ecologic model's influence on adolescent physical activity (PA).
- Utilizes longitudinal data to understand PA predictors in youth.
- Addresses the complex nature of PA changes during adolescence.
Purpose of the Study:
- To investigate how social ecologic factors predict physical activity (PA) in adolescents over time.
- To identify key determinants of sustained PA engagement from childhood through adolescence.
- To analyze gender-specific predictors of PA in a longitudinal cohort.
Main Methods:
- Longitudinal study of 578 adolescents (ages 10-16 at baseline) and parents.
- PA measured via ActiGraph activity monitors at two 24-month intervals.
- Data collected on psychological, behavioral, social determinants, and home PA equipment; analyzed using mixed models stratified by gender.
Main Results:
- Few significant longitudinal associations found overall.
- For boys, self-efficacy and baseline PA predicted follow-up MVPA (minutes of moderate to vigorous physical activity).
- For girls, baseline PA and perceived barriers predicted follow-up MVPA; models explained 30% (boys) and 24% (girls) of PA variance.
Conclusions:
- Adolescent PA is complex and influenced by early habits.
- Baseline PA is the strongest predictor of adolescent PA levels.
- Targeted interventions before middle school may be crucial for maintaining PA.
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