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	The lag effects and seasonal differences of air pollutants on allergic rhinitis in Beijing
	Xu J.
	2013
关键词	Air pollutants Allergic rhinitis Seasonal effect Lag effects Beijing daily outpatient visits time-series pollution mortality china association prevalence diseases children cities
英文摘要	To investigate the lag effects and seasonal differences of urban air quality change on human health, we carried out a time-series analysis of daily general practitioner consultations for allergic rhinitis (AR) in Beijing, China. In earlier publications we had assessed the relative risks of air pollutants on AR in Beijing during the period 2009-2010. This article analyzes for the same time period the lag effects of air pollutants and the seasonal effects on daily number of outpatient with allergic rhinitis; differences among age groups and gender groups were also taken into consideration. The results show that, the largest effect RRs of PM10 were at lag01, lag, lag01, lag01, and lag01 for the total population, male, female, young/middle aged people (20-60 years age group), and old people (more than 60 years age group), respectively. The largest associations of SO2 were observed at lag3, lag1, lag3, lag0 and lag0 for the total population, male, female, young people/middle aged people (20-60 years age group), and old people (more than 60 years age group), respectively. The strongest effects of NO2 were found at lag03 for the total population, female and the young/middle aged people; at lag0 for male and lag03 for elder people. RRs of the three pollutants for AR have shown a decreasing relevance from NO2 to PM10 to SO2. The seasonal effect models show that PM10, SO2, and NO2 had higher risk for AR in the warm season than in the cold season. (C) 2012 Elsevier B.V. All rights reserved.
出处	Science of the Total Environment
卷	442
页	172-176
收录类别	SCI
语种	英语
ISSN号	0048-9697
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30058]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Xu J.. The lag effects and seasonal differences of air pollutants on allergic rhinitis in Beijing. 2013.

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