Journal
INTERNATIONAL JOURNAL OF PUBLIC HEALTH
Volume 57, Issue 4, Pages 699-709Publisher
FRONTIERS MEDIA SA
DOI: 10.1007/s00038-012-0336-2
Keywords
Physical activity; Built environment; Prevention; Youth; School
Categories
Funding
- Canadian Cancer Society
- Canadian Heart Health Surveys Follow-up Study ancillary projects
- CIHR [53893]
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To examine associations between students' time spent in moderate to vigorous physical activity (MVPA) and the school built environment while also considering features of the schools' social environment and student-level characteristics. Using surveys and GIS measures, multilevel linear regression analysis was applied to examine the environment- and student-level characteristics associated with time spent in MVPA among grade 9-12 students (n = 22,117) attending 76 secondary schools in Ontario, Canada as part of the SHAPES-Ontario study. Statistically significant between-school random variation in student MVPA was identified [ = 9,065.22 (250.64)]; school-level differences accounted for 3.0% of the variability in student MVPA. Students attending a school that offered daily physical education or provided an alternate room for physical activity spent more time in MVPA than students attending a school without these resources. Moreover, as land-use mix diversity and walkability of the school neighbourhood increased, students' time spent in MVPA decreased. Developing a better understanding of the environment- and student-level characteristics associated with students' time spent in MVPA is critical for informing school-based physical activity intervention programmes and policies.
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