Figure 1.

Prevalence of secondhand smoke (SHS) exposure inside regulated venues in Uruguay and Mexico, 2008 and 2010 *Analytic samples included only the participants who could have been exposed (i.e. worked in enclosed workplaces; visited restaurant or bar in last month). Workplace exposure included any SHS in last month. Restaurant and bar exposure was queried for the most recent visit. **Significant changes over time within city strata at P < 0.05. ***Significant changes over time within city strata at P < 0.01.