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

Wendy Y. Huang, Stephen H. Wong*, Jo Salmon

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

43 Citations (Scopus)


Objectives: To investigate individual, behavioral, social and environmental correlates of physical activity (PA) and screen-based behaviors ([SBBs] TV viewing, electronic games playing and Internet use) in Chinese boys and girls in Hong Kong.

Design: Cross-sectional study.

Methods: PA and SBBs were self-reported among 303 children. Individual, behavioral, social and environmental correlates were reported by children and parents. Children's height and weight were measured and population density of residence districts was divided into tertiles. Hierarchical multivariable regression analyses were conducted to determine the contributions of correlates in explaining PA and SBBs.

Results: Participation in school sport teams and self-efficacy was positively associated with PA in boys. Girls who reported participation in school sport teams, who perceived more peer support, had a more supportive home PA environment, and spent more time doing homework were more physically active. Family support for PA was negatively and homework was positively, associated with boys' SBBs. Body mass index and parent role modeling of TV was positively associated with TV viewing, whilst more sedentary opportunities in the home were associated with higher Internet use/e-games playing among girls.

Conclusions: Sex differences existed among the individual, behavioral, social and home environmental factors related to PA and SBBs. Interventions should consider multiple and sex-specific factors for promoting an active lifestyle and reducing sedentary time among Chinese children.

Original languageEnglish
Pages (from-to)509-514
Number of pages6
JournalJournal of Science and Medicine in Sport
Issue number6
Publication statusPublished - Nov 2013

Scopus Subject Areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

User-Defined Keywords

  • Children
  • Determinants
  • Social ecological model
  • TV viewing


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