Journal of Environmental Impact Assessment (환경영향평가)

Korean Society of Environmental Impact Assessment (한국환경영향평가학회)
권호 표지

A Time-Series Study of Ambient Air Pollution in Relation to Daily Death Count in Daejeon, 1998-2001

대전 광역시 대기오염과 일별 사망자 수의 상관성에 관한 시계열적 연구(1998년~2001년)

  • Cho, Yong-Sung (Institute of Environmental and Industrial Medicine, Hanyang University) ;
  • Lee, Jong-Tae (Department of preventive Medicine, Ewha Womans University) ;
  • Kim, Yoon-Shin (Institute of Environmental and Industrial Medicine, Hanyang University)
  • 조용성 (한양대학교 환경 및 산업의학연구소) ;
  • 이종태 (이화여자대학교 보건관리학과) ;
  • 김윤신 (한양대학교 환경 및 산업의학연구소)
  • Received : 2003.09.23
  • Accepted : 2004.02.13
  • Published : 2004.02.28
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Abstract

This study is performed to examine the relationship between air pollution exposure and mortality in Daejeon for the years of 1998 - 2001. Daily counts of death were analyzed by general additive Poisson model, with adjustment for effects of seasonal trend, air temperature, humidity, and day of the week as confounders in a nonparametric approach. Daily death counts were associated with CO(4 day before), $O_3$(current day), $PM_10$(4 day before), $NO_2$(6 day before), $SO_2$(2 day before). Increase of $31.07{\mu}g/m^3$(interquartile range) in $PM_10$ was associated with 2.0 % (95% CI = 0.5 % - 3.5 %)) increase in the daily number of death. This effect was greater in children(less than 15 aged) and elderly(more than 65 aged). We concluded that Daejeon had 2 - 4 % increase in mortality in association with IQR in air pollutants. Daily variations in air pollution within the range currently occurring in Daejeon might have an adverse effect on daily mortality. These findings also support the hypothesis that air pollution at levels below the current ambient air quality standards of Korea except PM10, is harmful to sensitive subjects, such as children or elderly.

Keywords

References

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