Decline in non-smoking workers’ urine cotinine levels after increased smoking regulation in Korea

Conclusions The cotinine concentration in urine among non-smoking worker groups tended to decline from 2009 to 2011. Such a result may be an indirect indicator of the effectiveness of smoking regulation policies including the revision of the National Health Promotion Act.
Source: Annals of Occupational and Environmental Medicine - Category: Occupational Health Source Type: research