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Comparing three screen-based sedentary behaviours' effect upon adolescents' participation in physical activity: The
Arthur Chortatos1, Sigrun Henjum1, Liv Elin Torheim1
1Department of Nursing and Health Promotion, Faculty of Health Sciences, OsloMet-Oslo Metropolitan University, Oslo, Norway.
Plos One
|November 25, 2020
Summary
Reducing screen time spent on TV/movie streaming and electronic games is linked to increased physical activity in adolescents. This highlights the importance of limiting these specific sedentary behaviors for better health outcomes.
Area of Science:
- Adolescent Health
- Behavioral Science
- Public Health
Background:
- Previous research on sedentary behavior and physical activity in youth yielded inconsistent findings.
- Studies often relied on television viewing as the primary measure of sedentary behavior, neglecting modern screen activities.
- A gap exists in understanding the relationship between contemporary screen-based sedentary behaviors and physical activity levels in adolescents.
Purpose of the Study:
- To investigate the association between various screen-based sedentary behaviors and participation in physical activity among adolescents.
- To differentiate the impact of different types of screen time (e.g., streaming, gaming, social media) on physical activity.
- To provide evidence for targeted interventions promoting physical activity in youth.
Main Methods:
- A cross-sectional study involving 742 adolescents was conducted in 2016.
- Data were collected using an online questionnaire administered in a school setting.
- Regression analyses were employed to examine the associations between screen-based sedentary behaviors and physical activity.
Main Results:
- Lower time spent on TV/movie streaming and electronic game playing was significantly associated with higher odds of physical activity participation.
- These inverse relationships were observed for both weekdays and weekend days.
- No significant associations were found between online socializing/surfing and physical activity in adjusted models.
Conclusions:
- TV/movie streaming and electronic game playing show a significant inverse relationship with physical activity in adolescents.
- Reducing engagement in these specific screen-based sedentary activities may positively influence adolescent physical activity levels.
- Interventions targeting the reduction of these sedentary behaviors could be beneficial for promoting physical activity in youth.

