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사회 · 인구학적 요인과 시간활동양상에 따른 톨루엔 개인노출의 영향요인 분석
정순원(Soon-Won Jung),이석용(Seok-Yong Lee),김현정(Hyun jeong Kim),최욱희(Wookhee Choi),김수진(Suejin Kim),유승도(Seungdo Yu),양원호(Wonho Yang) 한국환경보건학회 2017 한국환경보건학회지 Vol.43 No.2
Objectives: Exposure to hazardous air pollutants could be affected by sociodemographic factors such as age, gender and more. Information on time spent in microenvironments has a critical role in exposure assessment. The purpose of this study was to analyze the exposure pathways which influence personal exposure through timeactivity patterns and sociodemographic factors. Methods: A total of 379 subjects were collected from the second term of the Korean National Environmental Health Survey. A questionnaire survey in relation to sociodemographic factors and a time-activity diary were carried out for personal exposure to toluene. Focusing on personal exposure to toluene, factors affecting personal exposure were analyzed using multiple regression analysis. Results: Participants spent their time in an indoor house for 16.8±4.0 hr, workplace or school 2.3±3.5 hr, and other indoor 2.1±2.2 hr. Sociodemographic factors were significantly different among each personal exposure and microenvironment. Time of staying at an office turned out to be a main factor from point of exposure in exposure pathway using multiple regression analysis. As a result, this means that exposure may be different according to the time of staying in each microenvironment. Conclusions: Personal exposure to air pollutants might be decided by time-activity pattern indicating when, where, and which activities people pursue, as well as individual sociodemographic factors.