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School smoking policies and smoking prevalence among adolescents: multilevel analysis of cross-sectional data from Wales
OBJECTIVE—To examine the association between school smoking policies and smoking prevalence among pupils. DESIGN—Multilevel analysis of cross-sectional data from surveys of schools and pupils. SETTING—55 secondary schools in Wales. SUBJECTS—55 teachers and 1375 pupils in year 11 (aged 15-16). MAIN O...
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| Main Authors: | , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
BMJ Group
2001
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1747541/ https://ncbi.nlm.nih.gov/pubmed/11387531 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/tc.10.2.117 |
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