Do school characteristics, based on the Comprehensive School Health Framework, contribute to youth meeting national physical activity recommendations over time?

INTRODUCTION: Canadian youth are insufficiently active, and schools may play a role in promoting student physical activity (PA). Based on the Comprehensive School Health (CSH) framework, this study examined whether school characteristics are associated with secondary school students meeting national PA recommendations over time. METHODS: We used COMPASS survey data from 78 schools in Ontario and Alberta and 9870 Grade 9 and 10 students …