Association of ambient air pollution with hospital outpatient and emergency room visits in Shanghai, China

被引:85
作者
Cao, Junshan [1 ]
Li, Weihua [2 ]
Tan, Jianguo [3 ]
Song, Weimin [1 ]
Xu, Xiaohui [4 ]
Jiang, Cheng [5 ]
Chen, Guohai [6 ]
Chen, Renjie [1 ]
Ma, Wenjuan [1 ]
Chen, Bingheng [1 ]
Kan, Haidong [1 ]
机构
[1] Fudan Univ, Sch Publ Hlth, Shanghai 200433, Peoples R China
[2] Shanghai Inst Planned Parenthood Res, Shanghai, Peoples R China
[3] Shanghai Urban Environm Meteorol Ctr, Shanghai, Peoples R China
[4] Univ Florida, Coll Publ Hlth & Hlth Profess, Dept Epidemiol & Biostat, Gainesville, FL USA
[5] Shanghai Municipal Ctr Dis Control & Prevent, Shanghai, Peoples R China
[6] Shanghai Environm Monitoring Ctr, Shanghai, Peoples R China
基金
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词
Air pollution; Emergency room visit; Morbidity; Outpatient visit; Time-series; TIME-SERIES ANALYSIS; DAILY MORTALITY; PARTICULATE MATTER; SULFUR-DIOXIDE; PUBLIC-HEALTH; OXIDATIVE STRESS; ADMISSIONS; MODIFIERS; EXPOSURE; POLLUTANTS;
D O I
10.1016/j.scitotenv.2009.07.021
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Few studies exist in China examining the association of ambient air pollution with morbidity outcomes. We conducted a time-series analysis to examine the association of outdoor air pollutants (PM10, SO2, and NO2) with hospital outpatient and emergency room visits in Shanghai, China. using 3 years of daily data (2005-2007). Hospital and air pollution data were collected from the Shanghai Health Insurance Bureau and Shanghai Environmental Monitoring Center. Using a natural spline model, we examined effect of air pollutants with different lag structures including both single-day lag and multi-day lag. We examined effects of air pollution for the warm season (from April to September) and cool season (from October to March) separately. We found outdoor air pollution (SO2 and NO2) was associated with increased risk of hospital outpatient and emergency room visits in Shanghai. The effect estimates varied for different lag structures of pollutants' concentrations. For lag 3, a 10 mu g/m(3) increase in concentration Of PM10, SO2 and NO2 corresponded to 0.11% (95%CI: -0.03%, 0.26%), 0.34% (95%CI: 0.06%. 0.61%) and 0.55% (95%CI: 0.14%, 0.97%) increase of outpatient visit; and 0.01% (95%CI: -0.09%, 0.10%), 0.17% (95%CI: 0.00%, 0.35%) and 0.08% (95%CI: -0.18%, 0.33%) increase of emergency room visit. The associations appeared to be more evident in the cool season than in the warm season. In conclusion, short-term exposure to outdoor air pollution was associated with increased risk of hospital outpatient and emergency room visits in Shanghai. Our analyses provide evidence that the current air pollution level has an adverse health effect and strengthen the rationale for further limiting air pollution levels in the city. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:5531 / 5536
页数:6
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