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Pilot Study for Difference of Secondhand Smoke Exposure at Smoking and Non-smoking Nightclubs
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 Title & Authors
Pilot Study for Difference of Secondhand Smoke Exposure at Smoking and Non-smoking Nightclubs
Guak, Sooyoung; Lee, Boram; Xu, Siyu; Lee, Kiyoung; Lee, Dohoon;
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Objectives: This pilot study assessed secondhand smoke (SHS) exposure in smoking and non-smoking nightclubs in Seoul, Korea by measuring the concentration of particulate matter smaller than (). Methods: This comparative study was conducted in three nightclubs in Seoul. While one non-smoking nightclub was measured on weekdays and weekends, different smoking nightclubs were measured on weekdays and weekends. The concentration of was observed using a real-time monitor over an average of three hours. The number of people in the clubs was also estimated. Settled dust was collected in a smoking and a non-smoking nightclub and analyzed for NNK concentration. Results: The concentration in the smoking nightclubs was higher than those found in the non-smoking nightclub by 26 times on weekdays and three times on weekends. Indoor concentration was correlated with the number of people in the smoking nightclubs. Relatively high concentration was observed in the non-smoking nightclub on weekends. NNK concentration in the smoking nightclub was 7 times higer than in the non-smoking nightclub. Conclusion: Smoking in nightclubs caused high concentration. Although the non-smoking nightclub had a lower concentration, concentration on weekends was higher due to the smoking room. Complete prohibition of smoking in nightclubs can protect patrons from secondhand smoke exposure.
Indoor air;Nightclub;NNK;;Secondhand smoke;
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