The impact of tobacco legislation and exposure to environmental tobacco smoke (ETS) in bars and restaurants were assessed in a national survey.
Questionnaire surveys among restaurant workers were conducted in 2007 before the smoking ban, and in 2009.
The exposure to ETS decreased significantly after the launch of the 2007 smoke-free law. During 2007-2009, the prevalence of those restaurant workers with no exposure increased from 54% to 82% (P-value