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Childhood Obesity and Physical Activity-Friendly School Environments
Ip,Patrick1; Ho,Frederick Ka Wing1; Louie,Lobo Hung Tak2; Chung,Thomas Wai Hung3; Cheung,Yiu Fai1; Lee,So Lun1; Hui,Stanley Sai Chuen4; Ho,Walter King Yan5; Ho,Daniel Sai Yin6; Wong,Wilfred Hing Sang1; Jiang,Fan7
Source PublicationJournal of Pediatrics

Objective Childhood obesity may be related to school environment, but previous studies often focused on food environment only. This study aimed to examine the relationship between school physical activity environment and childhood obesity. Study design This is a cross-sectional study with multilevel data collected on school physical activity environment using teacher questionnaires, students' growth, and obesity status from electronic health records, and neighborhood socioeconomic status from census data. Results This study included 208 280 students (6-18 years of age) from 438 schools (45% of Hong Kong). Prevalence of obesity was 5.0%. After controlling for socioeconomic status and intraschool correlation, robust Poisson regression revealed a reduced obesity risk associated with higher teachers' perceived physical activity benefits (risk ratio 0.96, 95% CI 0.94-0.99, P =.02), physical activity teaching experience (0.93, 0.91-0.96, P <.001), school campus size (0.93, 0.87-0.99, P =.02), physical activity ethos (0.91, 0.88-0.94, P <.001), number of physical activity programs (0.93, 0.90-0.96, P <.001), and physical activity facilities (0.87, 0.84-0.90, P <.001). Students in schools with at least 3 physical activity-friendly environmental factors (11.7%) had a much lower risk of obesity (0.68, 0.62-0.75, P <.001) than those without (23.7%). Conclusions A physical activity-friendly school environment is associated with lower risk of obesity. School physical activity environment should be considered in future epidemiologic and intervention studies.

KeywordChildhood Obesity Chinese Physical Activity School Environment
URLView the original
Indexed BySCIE ; SSCI
WOS Research AreaPediatrics
WOS SubjectPediatrics
WOS IDWOS:000417159500022
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Cited Times [WOS]:19   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Education
Corresponding AuthorIp,Patrick
Affiliation1.Department of Paediatrics and Adolescent Medicine,The University of Hong Kong,,Hong Kong
2.Department of Physical Education,Hong Kong Baptist University,,Hong Kong
3.Student Health Service,Department of Health,Hong Kong SAR Government,,Hong Kong
4.Department of Sports Science and Physical Education,The Chinese University of Hong Kong,,Hong Kong
5.Faculty of Education,University of Macau,,Macao
6.School of Public Health,The University of Hong Kong,,Hong Kong
7.Shanghai Children's Medical Center,,Shanghai,China
Recommended Citation
GB/T 7714
Ip,Patrick,Ho,Frederick Ka Wing,Louie,Lobo Hung Tak,et al. Childhood Obesity and Physical Activity-Friendly School Environments[J]. Journal of Pediatrics,2017,191:110-116.
APA Ip,Patrick,Ho,Frederick Ka Wing,Louie,Lobo Hung Tak,Chung,Thomas Wai Hung,Cheung,Yiu Fai,Lee,So Lun,Hui,Stanley Sai Chuen,Ho,Walter King Yan,Ho,Daniel Sai Yin,Wong,Wilfred Hing Sang,&Jiang,Fan.(2017).Childhood Obesity and Physical Activity-Friendly School Environments.Journal of Pediatrics,191,110-116.
MLA Ip,Patrick,et al."Childhood Obesity and Physical Activity-Friendly School Environments".Journal of Pediatrics 191(2017):110-116.
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