CAJ | 학술논문

目的研究天津市大气气态污染物二氧化硫(SO2)和二氧化氮(NO2)与城区居民每日死亡间的相关性.方法收集天津市城区2005-2007年大气主要污染物[SO2、NO2和可吸入颗粒物(PM10)]日平均浓度、日平均气温和相对湿度以及每日死因别死亡人数,采用广义相加模型,控制长期和季节趋势、气温和相对湿度等气象因素的影响,探讨SO2和NO2日平均浓度与每日死因别死亡间的相关性,分析PM10及模型参数对其相对危险度估计的影响.结果大气SO2和NO2与人群每日非意外死亡和循环系统疾病死亡间显著相关,与呼吸系统疾病间无显著关联.SO2浓度每升高10μg/m3,人群非意外死亡和循环系统疾病死亡分别增加0.56%(0.23%～0.89%)和0.49%(0.06%～0.93%);NO2浓度每升高10 μg/m3,人群非意外死亡和循环系统疾病死亡分别增加0.94%(0.17%～1.70%)和1.29%(0.29%～2.30%).结论天津市大气SO2和NO2污染与城区居民每日非意外死亡和循环系统疾病死亡显著相关.
목적 연구천진시대기기태오염물이양화류(SO2)화이양화담(NO2)여성구거민매일사망간적상관성.방법 수집천진시성구2005-2007년대기주요오염물[SO2、NO2화가흡입과립물(PM10)]일평균농도、일평균기온화상대습도이급매일사인별사망인수,채용엄의상가모형,공제장기화계절추세、기온화상대습도등기상인소적영향,탐토SO2화NO2일평균농도여매일사인별사망간적상관성,분석PM10급모형삼수대기상대위험도고계적영향.결과 대기SO2화NO2여인군매일비의외사망화순배계통질병사망간현저상관,여호흡계통질병간무현저관련.SO2농도매승고10μg/m3,인군비의외사망화순배계통질병사망분별증가0.56%(0.23%～0.89%)화0.49%(0.06%～0.93%);NO2농도매승고10 μg/m3,인군비의외사망화순배계통질병사망분별증가0.94%(0.17%～1.70%)화1.29%(0.29%～2.30%).결론 천진시대기SO2화NO2오염여성구거민매일비의외사망화순배계통질병사망현저상관.
Objective To study the association between sulphur dioxide, nitrogen dioxide and daily mortality in urban population from Tianjin. Methods Data on daily concentration of inhalable particulate matter, sulphur dioxide and nitrogen dioxide, daily mean temperature and relative humidity, daily cause-specific death counts were collected. Generalized additive models was used to explore the relationship between sulphur dioxide, nitrogen dioxide and daily mortality, after adjusting the effects of long-term and seasonal trend, weather conditions, and to analyze the potential effect of particulate matter and model parameters on relative risk estimates. Results Results showed that the daily concentrations of SO2 and NO2 were significantly associated with daily non-accidental and cardiovascular mortality but not associated with daily respiratory mortality. An increase of 10 μg/m3 in SO2 was associated with 0.56%(95%CI: 0.23%-0.89%)non-accidental morality, 0.49%(0.06%-0.93%)cardiovascular morality, respectively. An increase of 10μg/m3 in NO2 was associated with 0.94%(95% CI: 0.17%- 1.70%)non-accidental morality, 1.29%(0.29%-2.30%)cardiovascular morality, respectively. Conclusion Our findings suggested that exposure to SO2 and NO2 was significantly associated with daily cardiovascular and respiratory mortality in urban population in Tianjin.