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学科主题: 公共卫生
题名:
The effects of ambient temperature on cerebrovascular mortality: an epidemiologic study in four climatic zones in China
作者: Zhang, Yanshen1; Li, Shanshan2; Pan, Xiaochuan1; Tong, Shilu3,4; Jaakkola, Jouni J. K.5; Gasparrini, Antonio6; Guo, Yuming2,7; Wang, Sheng1
关键词: Cerebrovascular disease ; Meta-analysis ; Mortality ; Temperature ; Time series analysis
刊名: ENVIRONMENTAL HEALTH
发表日期: 2014-04-01
DOI: 10.1186/1476-069X-13-24
卷: 13
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Environmental Sciences ; Public, Environmental & Occupational Health
研究领域[WOS]: Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
关键词[WOS]: HEART-DISEASE MORTALITY ; TIME-SERIES ; COLD SPELLS ; CARDIOVASCULAR MORTALITY ; SEASONAL-VARIATION ; WINTER MORTALITY ; EXCESS MORTALITY ; UNITED-STATES ; HEALTH ; IMPACT
英文摘要:

Background: Little evidence is available about the association between temperature and cerebrovascular mortality in China. This study aims to examine the effects of ambient temperature on cerebrovascular mortality in different climatic zones in China.

Method: We obtained daily data on weather conditions, air pollution and cerebrovascular deaths from five cities (Beijing, Tianjin, Shanghai, Wuhan, and Guangzhou) in China during 2004-2008. We examined city-specific associations between ambient temperature and the cerebrovascular mortality, while adjusting for season, long-term trends, day of the week, relative humidity and air pollution. We examined cold effects using a 1 degrees C decrease in temperature below a city-specific threshold, and hot effects using a 1 degrees C increase in temperature above a city-specific threshold. We used a meta-analysis to summarize the cold and hot effects across the five cities.

Results: Beijing and Tianjin (with low mean temperature) had lower thresholds than Shanghai, Wuhan and Guangzhou (with high mean temperature). In Beijing, Tianjin, Wuhan and Guangzhou cold effects were delayed, while in Shanghai there was no or short induction. Hot effects were acute in all five cities. The cold effects lasted longer than hot effects. The hot effects were followed by mortality displacement. The pooled relative risk associated with a 1 degrees C decrease in temperature below thresholds (cold effect) was 1.037 (95% confidence interval (CI): 1.020, 1.053). The pooled relative risk associated with a 1 degrees C increase in temperature above thresholds (hot effect) was 1.014 (95% CI: 0.979, 1.050).

Conclusion: Cold temperatures are significantly associated with cerebrovascular mortality in China, while hot effect is not significant. People in colder climate cities were sensitive to hot temperatures, while people in warmer climate cities were vulnerable to cold temperature.

语种: 英语
所属项目编号: 30972433 ; GYHY201206027 ; APP1030259
项目资助者: National Natural Science Foundation of China ; Chinese Meteorological Administration ; Australia National Health and Medical Research Council ; Centre for Air Quality and Health Research and Evaluation ; University of Queensland School of Population Health
WOS记录号: WOS:000335522000001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58825
Appears in Collections:北京大学公共卫生学院_期刊论文

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作者单位: 1.Shanghai Key Lab Meteorol & Hlth, Shanghai, Peoples R China
2.Peking Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth, Beijing 100191, Peoples R China
3.Univ Queensland, Sch Populat Hlth, Dept Epidemiol & Biostat, Brisbane, Qld 4006, Australia
4.Queensland Univ Technol, Sch Publ Hlth, Brisbane, Qld 4001, Australia
5.Queensland Univ Technol, Inst Hlth & Biomed Innovat, Brisbane, Qld 4001, Australia
6.Univ Oulu, Inst Hlth Sci, Ctr Environm & Resp Hlth Res, Oulu, Finland
7.London Sch Hyg & Trop Med, Dept Med Stat, London WC1, England

Recommended Citation:
Zhang, Yanshen,Li, Shanshan,Pan, Xiaochuan,et al. The effects of ambient temperature on cerebrovascular mortality: an epidemiologic study in four climatic zones in China[J]. ENVIRONMENTAL HEALTH,2014,13.
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