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时间:2020-04-23
《北京市空气污染物对呼吸系统疾病门诊人数的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、中国环境科学2014,34(9):2401-2407ChinaEnvironmentalScience北京市空气污染物对呼吸系统疾病门诊人数的影响张莹,邵毅,王式功’,尚可政,王金艳,李旭,康延臻(兰州大学大气科学学院甘肃省干旱气候变化与减灾重点实验室,甘肃兰州730000)摘要:为评价北京市大气污染对居民呼吸系统疾病门诊人数的影响,采用时间序列半参广义相加模型(OAM),在控制了长期趋势、“星期几效应”及气象因素的影响后,分析2009~2011年北京市空气污染物与呼吸系统疾病门诊人数的暴露一反应关系,并按性别和年龄层建立模型.结果表明
2、,3种污染物有一定的滞后效应,PMIo在滞后0~3d(avg03)或0-5d(avg05)的移动平均值,sO2和NO2均在滞后0--2d(avg02)的移动平均值使呼吸系统疾病门诊人数的增加百分比(PI%)值达到最大,其中PM】0、SO2和NO2浓度每增加10~tg/m3,对应的呼吸系统疾病全人群的PI%分别为1.72%、1.34%和2.57%.年龄>65岁的老年人群对北京市空气污染物最为敏感,其次为年龄g14岁的人群:空气污染对女性的影响较男性明显.关键词:时间序列研究;空气污染;呼吸系统疾病;门诊人数中图分类号:x171.5文献标识
3、码:A文章编号:1000—6923(2014)09—2401—07RelationshipbetweenairpollutantandrespiratorydiseaseshospitaloutpatientvisitsinBeijing.ZHANG-Ying,SHAO-Yi,WANGShi—Gong’,SHANGKe-Zheng,WANGJin-Yan,LI—Xu,KANGYan-Zhen(KeyLaboratoryofAridClimateChangeandDisasterReductionofGansuProvince,Schoo
4、lofAtmosphericSciences,LanzhouUniversity,Lanzhou730000,China).ChinaEnvironmentalScience,2014,34(9):2401~2407Abstract:ToquantitativelyevaluatetheefectofairpollutiononhospitaloutpatientvisitsforrespiratorydiseasesinBeijing.Asemi-parametricgeneralizedadditivemodel(GAM)wasus
5、edtoanalyzetheexposure-efectrelationshipbetweenairpollutionanddailyrespiratorydiseasesoutpatientvisitsfrom2009to2011inBeijingaftercontrollinglongtimetrend,the“dayoftheweek”efectandconfoundingmeteorologicalfactors.Atthesametime.themodelwasestablishedbasedonthesexandagegro
6、ups.TheresultsshowedthatthereWascertainlagefectofthreekindsofairpollutantsondailyrespiratorydiseasesoutpatientvisits.ThelagtimeofPMlowas4-daymovingaverage(avg03)or6-daymovingaverage(avg05).ThelagtimeofSO2andNO2was3-daymovingaverage(avg02).AnincreaseoflOgg/minPMlo,SO2,NO2
7、weresignificantlyassociatedwiththepercentageincrease(PI%)of1.72%,1.34%and2.57%forallhospitaloutpatientvisits,respectively.Theeldermorethan65wasthemostsensitivetoairpollutioninBeijing,followedbythoselessthan14-year-old.TheinfluenceofairpollutiononthefemaleWasmoreobviousth
8、anthemale.Keywords:time-seriesstudies;airpollution;respiratorydiseases;hospitaloutpatientvisits大量的流行病学及
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