Workplace second-hand smoke exposure and its association with respiratory symptoms: Findings from cross-sectional surveys 2015–2020

Eight to thirteen years after banning smoking at all indoor workplaces, SHS exposure at workplaces was prevalent in outdoor occupations. Exposure to SHS at workplaces was associated with self-reported respiratory symptoms in never and ex-smokers. Policymakers should consider continuously expanding smoke-free areas to more outdoor public places.