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Environmental tobacco smoke exposure at home and smoking prevalence in the gene...

BACKGROUND: We aimed to: 1) estimate the prevalence of exposure to environmental tobacco smoke (ETS) at home in the Portuguese population; 2) estimate tobacco smoking prevalence in Portugal; 3) identify social and personal characteristics associated with smoking or exposure to ETS. METHODS: Nationwide, cross-sectional, population-based telephone survey. Overall, 6003 individuals completed the interview. ETS exp...