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Prevalence of vaping and smoking among adolescents in Canada, England, and the United States: repeat national cross sectional surveys
OBJECTIVE: To examine differences in vaping and smoking prevalence among adolescents in Canada, England, and the United States. DESIGN: Repeat cross sectional surveys. SETTING: Online surveys in Canada, England, and the US. PARTICIPANTS: National samples of 16 to 19 year olds in 2017 and 2018, recru...
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| Опубликовано в: : | BMJ |
|---|---|
| Главные авторы: | , , , , , , , , , , , , , |
| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
BMJ Publishing Group Ltd.
2019
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| Предметы: | |
| Online-ссылка: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6582265/ https://ncbi.nlm.nih.gov/pubmed/31221636 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmj.l2219 |
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