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Correlates of physical activity and screen-based behaviors in Chinese children

Wendy Y Huang1, Stephen H Wong, Jo Salmon

  • 1Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Hong Kong, PR China.

Journal of Science and Medicine in Sport
|February 5, 2013
PubMed

Insights

Physical activity (PA) and screen-based behaviors (SBBs) in Hong Kong children varied by sex. Interventions should target sex-specific factors to promote active lifestyles and reduce sedentary time.

Area of Science:

  • Pediatric Health
  • Behavioral Science
  • Public Health

Background:

  • Physical activity (PA) and screen-based behaviors (SBBs) are crucial for child health.
  • Understanding correlates of PA and SBBs is essential for targeted interventions.
  • Chinese children in Hong Kong represent a unique demographic for studying these behaviors.

Purpose of the Study:

  • To investigate individual, behavioral, social, and environmental correlates of PA and SBBs in Chinese boys and girls.
  • To identify sex-specific factors influencing physical activity and screen time.
  • To inform the development of effective public health strategies.

Main Methods:

  • Cross-sectional study involving 303 children in Hong Kong.
  • Self-reported data on PA and SBBs (TV viewing, gaming, internet use).
  • Parental and child-reported correlates, objective measurements (height, weight), and environmental data (population density).
  • Hierarchical multivariable regression analyses were used.

Main Results:

  • Boys' PA linked to school sports and self-efficacy. Girls' PA associated with school sports, peer support, home PA environment, and homework time.
  • Boys' SBBs negatively associated with family support for PA and positively with homework. Girls' SBBs linked to BMI, parent TV role modeling, and home sedentary opportunities.

Conclusions:

  • Significant sex differences were observed in correlates of PA and SBBs.
  • Interventions must consider multiple, sex-specific factors to promote active lifestyles.
  • Reducing sedentary time requires tailored approaches for Chinese children.
Abstract

Keywords:
ChildrenDeterminantsSocial ecological modelTV viewing

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