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The Influence of School Policies on Smoking Prevalence Among Students in Grades 5-9, Canada, 2004-2005
INTRODUCTION: School characteristics may account for some of the variation in smoking prevalence among schools. The purpose of this study was to investigate the relationships between characteristics of school tobacco policies and school smoking prevalence. We also examined the relationship between t...
Autores principales: | , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Centers for Disease Control and Prevention
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2995590/ https://www.ncbi.nlm.nih.gov/pubmed/20950536 |