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The short-term effect of air pollution on cardiovascular mortality in Tianjin, China: Comparison of time series and case-crossover analyses
Guo, Yuming1; Barnett, Adrian G.1; Zhang, Yanshen2; Tong, Shilu1; Yu, Weiwei1; Pan, Xiaochuan3
关键词Air pollution Cardiovascular mortality Case-crossover Time series
刊名SCIENCE OF THE TOTAL ENVIRONMENT
2010-12-15
DOI10.1016/j.scitotenv.2010.10.013
409期:2页:300-306
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Environmental Sciences
资助者National Natural Science Foundation of China ; QUT Postgraduate Research Award (QUTPRA) ; NHMRC ; National Natural Science Foundation of China ; QUT Postgraduate Research Award (QUTPRA) ; NHMRC
研究领域[WOS]Environmental Sciences & Ecology
关键词[WOS]EMERGENCY-ROOM VISITS ; CARDIAC-ARRHYTHMIA ; HOSPITAL ADMISSION ; DAILY DEATHS ; US CITIES ; PARTICULATE ; DESIGNS ; ASSOCIATION ; TEMPERATURE ; EXPOSURES
英文摘要

Background: Many studies have illustrated that ambient air pollution negatively impacts on health. However, little evidence is available for the effects of air pollution on cardiovascular mortality (CVM) in Tianjin, China. Also, no study has examined which strata length for the time-stratified case-crossover analysis gives estimates that most closely match the estimates from time series analysis.

Objectives: The purpose of this study was to estimate the effects of air pollutants on CVM in Tianjin. China, and compare time-stratified case-crossover and time series analyses.

Method: A time-stratified case-crossover and generalized additive model (time series) were applied to examine the impact of air pollution on CVM from 2005 to 2007. Four time-stratified case-crossover analyses were used by varying the stratum length (Calendar month, 28, 21 or 14 days). Jackknifing was used to compare the methods. Residual analysis was used to check whether the models fitted well.

Results: Both case-crossover and time series analyses show that air pollutants (PM10, SO2 and NO2) were positively associated with CVM. The estimates from the time-stratified case-crossover varied greatly with changing strata length. The estimates from the time series analyses varied slightly with changing degrees of freedom per year for time. The residuals from the time series analyses had less autocorrelation than those from the case-crossover analyses indicating a better fit.

Conclusion: Air pollution was associated with an increased risk of CVM in Tianjin, China. Time series analyses performed better than the time-stratified case-crossover analyses in terms of residual checking. (C) 2010 Elsevier B.V. All rights reserved.

语种英语
所属项目编号30972433 ; 553043
资助者National Natural Science Foundation of China ; QUT Postgraduate Research Award (QUTPRA) ; NHMRC ; National Natural Science Foundation of China ; QUT Postgraduate Research Award (QUTPRA) ; NHMRC
WOS记录号WOS:000286294300008
引用统计
被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/65016
专题北京大学公共卫生学院
作者单位1.Queensland Univ Technol, Inst Hlth & Biomed Innovat, Sch Publ Hlth, Brisbane, Qld 4059, Australia
2.Chinese Res Inst Environm Sci, Dept Environm Pollut & Hlth, Beijing 100012, Peoples R China
3.Peking Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth, Beijing 100191, Peoples R China
推荐引用方式
GB/T 7714
Guo, Yuming,Barnett, Adrian G.,Zhang, Yanshen,et al. The short-term effect of air pollution on cardiovascular mortality in Tianjin, China: Comparison of time series and case-crossover analyses[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2010,409(2):300-306.
APA Guo, Yuming,Barnett, Adrian G.,Zhang, Yanshen,Tong, Shilu,Yu, Weiwei,&Pan, Xiaochuan.(2010).The short-term effect of air pollution on cardiovascular mortality in Tianjin, China: Comparison of time series and case-crossover analyses.SCIENCE OF THE TOTAL ENVIRONMENT,409(2),300-306.
MLA Guo, Yuming,et al."The short-term effect of air pollution on cardiovascular mortality in Tianjin, China: Comparison of time series and case-crossover analyses".SCIENCE OF THE TOTAL ENVIRONMENT 409.2(2010):300-306.
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