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学科主题: 临床医学
题名:
The burden of air pollution on years of life lost in Beijing, China, 2004-08: retrospective regression analysis of daily deaths
作者: Guo, Yuming1; Li, Shanshan1; Tian, Zhaoxing2; Pan, Xiaochuan3; Zhang, Jinliang4; Williams, Gail1
刊名: BMJ-BRITISH MEDICAL JOURNAL
发表日期: 2013-12-09
DOI: 10.1136/bmj.f7139
卷: 347
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: EMERGENCY-ROOM VISITS ; DAILY MORTALITY ; NONLINEAR MODELS ; TIME-SERIES ; FINE ; AGE ; ASSOCIATION ; CITIES ; GENDER ; SEX
英文摘要:

Objectives To better understand the burden of air pollution on deaths, we examined the effects of air pollutants on years of life lost (YLL) in Beijing, China.

Design Retrospective regression analysis using daily time series.

Setting 8 urban districts in Beijing, China.

Participants 80 515 deaths (48 802 male, 31 713 female) recorded by the Beijing death classification system during 2004-08.

Main outcome measures Associations between daily YLL and ambient air pollutants (particulate matter with aerodynamic diameter < 2.5 mu m (PM2.5), PM10, SO2, and NO2), after adjusting for long term trends, seasonality, day of the week, and weather conditions. We also examined mortality risk related to air pollutants.

Results Mean concentrations of daily PM2.5, PM10, SO2 and NO2 were 105.1 mu g/m(3), 144.6 mu g/m(3), 48.6 mu g/m(3), and 64.2 mu g/m(3), respectively. All air pollutants had significant effects on years of life lost when we used single pollutant models. An interquartile range (IQR) increase in PM2.5, PM10, SO2, and NO2 was related to YLL increases of 15.8, 15.8, 16.2, and 15.1 years, respectively. The effects of air pollutants on YLL appeared acutely and lasted for two days (lag 0-1); these effects associated with an IQR increase in PM2.5 were greater in women than men (11.1 (95% confidence interval 4.7 to 17.5) v 4.7 (-2.9 to 12.3) YLL) and in people aged up to 65 years than those older than 65 years (12.0 (2.9 to 21) v 3.8 (-0.9 to 8.6) YLL). The mortality risk associated with an IQR increase in PM2.5 was greater for people older than 65 years (2.5% (95% confidence interval 0.6% to 4.5%) increase of mortality) than those aged up to 65 years (0.7% (-0.8% to 2.2%)).

Conclusions YLL provides a complementary measure for examining the effect of air pollutants on mortality. Increased YLL are associated with increased air pollution. This study highlights the need to reduce air pollution in Beijing, China, to protect the health of the population.

语种: 英语
所属项目编号: 81172745 ; APP1030259
项目资助者: National Natural Science Foundation of China ; Australia National Health and Medical Research Council
WOS记录号: WOS:000328574400006
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58427
Appears in Collections:北京大学第三临床医学院_急诊科_期刊论文

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作者单位: 1.Univ Queensland, Dept Epidemiol & Biostat, Sch Populat Hlth, Brisbane, Qld 4006, Australia
2.Peking Univ, Hosp 3, Emergency Dept, Beijing 100191, Peoples R China
3.Peking Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth, Beijing 100871, Peoples R China
4.Chinese Res Inst Environm Sci, Environm Stand Inst, State Key Lab Environm Criteria & Risk Assessment, Beijing, Peoples R China

Recommended Citation:
Guo, Yuming,Li, Shanshan,Tian, Zhaoxing,et al. The burden of air pollution on years of life lost in Beijing, China, 2004-08: retrospective regression analysis of daily deaths[J]. BMJ-BRITISH MEDICAL JOURNAL,2013,347.
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