加拿大公共卫生协会
期刊
会议
图书
作者:Harvey, Amanda , Faulkner, Guy ...
来源:[J].Can J Public Health, 2017, Vol.108 (4), pp.e348-e354
摘要:OBJECTIVES: To examine school- and student-level correlates of physical activity.METHODS: Cross-sectional Year 2 data collected from 45 298 grade 9–12 students attending 89 secondary schools in the COMPASS study were examined using multi-level modelling to predict the likeli...

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