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学科主题: 临床医学
题名:
Ambient temperature and coronary heart disease mortality in Beijing, China: a time series study
作者: Tian, Zhaoxing1; Li, Shanshan2; Zhang, Jinliang3,4; Jaakkola, Jouni J. K.5; Guo, Yuming6,7
关键词: Ambient temperature ; Coronary heart disease ; Mortality ; Cold effect ; Hot effect ; Gender ; Age
刊名: ENVIRONMENTAL HEALTH
发表日期: 2012-08-21
DOI: 10.1186/1476-069X-11-56
卷: 11
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]: CASE-CROSSOVER DESIGN ; CARDIOVASCULAR RISK-FACTORS ; AIR-POLLUTION ; CARDIORESPIRATORY MORTALITY ; MODELS ; EQUIVALENCE ; ASSOCIATION ; PREVALENCE ; MORBIDITY ; SCOTLAND
英文摘要:

Background: Many studies have examined the association between ambient temperature and mortality. However, less evidence is available on the temperature effects on coronary heart disease (CHD) mortality, especially in China. In this study, we examined the relationship between ambient temperature and CHD mortality in Beijing, China during 2000 to 2011. In addition, we compared time series and time-stratified case-crossover models for the non-linear effects of temperature.

Methods: We examined the effects of temperature on CHD mortality using both time series and time-stratified case-crossover models. We also assessed the effects of temperature on CHD mortality by subgroups: gender (female and male) and age (age > =65 and age < 65). We used a distributed lag non-linear model to examine the non-linear effects of temperature on CHD mortality up to 15 lag days. We used Akaike information criterion to assess the model fit for the two designs.

Results: The time series models had a better model fit than time-stratified case-crossover models. Both designs showed that the relationships between temperature and group-specific CHD mortality were non-linear. Extreme cold and hot temperatures significantly increased the risk of CHD mortality. Hot effects were acute and short-term, while cold effects were delayed by two days and lasted for five days. The old people and women were more sensitive to extreme cold and hot temperatures than young and men.

Conclusions: This study suggests that time series models performed better than time-stratified case-crossover models according to the model fit, even though they produced similar non-linear effects of temperature on CHD mortality. In addition, our findings indicate that extreme cold and hot temperatures increase the risk of CHD mortality in Beijing, China, particularly for women and old people.

语种: 英语
所属项目编号: 81172745
项目资助者: National Nature Science Foundation of China
WOS记录号: WOS:000311312800001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/68218
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.Peking Univ, Hosp 3, Emergency Dept, Beijing 100871, Peoples R China
2.Univ Queensland, Sch Populat Hlth, Brisbane, Qld, Australia
3.Univ Queensland, Sch Med, Brisbane, Qld, Australia
4.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing, Peoples R China
5.Chinese Res Inst Environm Sci, Environm Stand Inst, Beijing, Peoples R China
6.Univ Oulu, Inst Hlth Sci, Ctr Environm & Resp Hlth Res, Oulu, Finland
7.Queensland Univ Technol, Sch Publ Hlth & Social Work, Brisbane, Qld 4001, Australia

Recommended Citation:
Tian, Zhaoxing,Li, Shanshan,Zhang, Jinliang,et al. Ambient temperature and coronary heart disease mortality in Beijing, China: a time series study[J]. ENVIRONMENTAL HEALTH,2012,11.
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