Chunlei Han|Rongbin Xu|Caroline X. Gao|Wenhua Yu|Yajuan Zhang|Kun Han|Yu Pei|Hyewon Lee|Shanshan Li
Socioeconomic disparity in the association between long-term exposure to PM2.5 and mortality in 2640 Chinese counties
Monash University|Binzhou University|Binzhou Medical University|Monash University|Orygen Youth Health|University of Melbourne|Monash University|Monash University|Ningxia Medical University|Shandong University|Monash University|Monash University|Binzhou University|Binzhou Medical University|Monash University
although association longterm exposure pm25 mortality evaluated intensively little known socioeconomic disparity association collected data annual allcause mortality pm25 concentration socioeconomic demographic characteristics 2640 counties two recent chinese censuses 2000 2010 applied differenceindifferences method estimate pm25mortality association counties different quartiles literacy rate college rate urbanization rate gdp per capita respectively overall every 10 gm3 increase annual average pm25 associated 38 95 confidence interval ci 3050 increase allcause mortality stratified analysis suggested higher health impact exposure counties lower socioeconomic status counties lowest quartile q1 literacy rate college rate urbanization rate gdp per capita effect estimates 60 95 ci 4277 44 95 ci 2860 35 95 ci 2051 49 95 ci 2771 respectively strong evidence elevated risk mortality associated pm25 socioeconomic factors lowest quartile q1 compared highest quartile counties q4 pvalue difference 005 socioeconomic disparity pm25mortality association china dwellers living less developed counties vulnerable longterm exposure ambient pm25 living developed counties