为了解我国西部城市居民健康状况,进一步深化卫生改革,1999年对贵阳市进行“居民病伤死因调查研究”,为拟定全市卫生工作规划及疾病防治策略提供依据。辽广辽西西么1　资料来源及方法11　贵阳市街道办事处或乡(镇)为调查单位,采用分层随机抽样办法,抽选12个调查单位(点),抽样全 In order to understand the health status of urban residents in western China and further deepen the health reform, Guiyang City conducted a “Research on the Causes of Death of Residents” in 1999, which provided the basis for drawing up the city’s health work plan and disease prevention and control strategies. Liaoguang Liaoxi Xixi 1 Sources and methods 11 Guiyang Sub-district Office or township (town) is the survey unit. Stratified random sampling method is used to select 12 survey units (points).