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Television viewing and physical activity in children.
1Department of Exercise Sciences, Brigham Young University, Provo, Utah 84602, USA. hager@byu.edu
Summary
Limiting television (TV) viewing after school may increase physical activity (PA) in children. Boys showed significant negative correlations between TV and PA, with non-TV watchers being more active.
Area of Science:
- Pediatrics
- Public Health
- Behavioral Science
Background:
- Sedentary behaviors like television viewing are prevalent in children.
- Understanding the relationship between screen time and physical activity is crucial for child health.
Purpose of the Study:
- To investigate the association between television viewing and physical activity in children during the school year.
- To identify specific times of day or week when this relationship is most pronounced.
Main Methods:
- Eighty children (40 boys), aged 9-12 years, participated.
- Physical activity was measured using accelerometers over four days.
- Television viewing was recorded via daily logs, with correlational analyses performed.
Main Results:
- Overall, no statistically significant relationship was found between physical activity and television viewing (r = -.086).
- Significant negative correlations between physical activity and television viewing were observed in boys during after-school periods (r = -.30 to -.37).
- Boys who watched no television were significantly more physically active after school compared to those who watched any television.
Conclusions:
- The negative impact of television viewing on physical activity, if present, is most likely to occur after school hours.
- Interventions aimed at increasing physical activity should focus on limiting television time and promoting active play opportunities, particularly in the after-school period.
- Parental involvement in managing screen time and facilitating active play is recommended.
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