三缸厕所预防肠寄生虫感染效果的“巢式”病例－对照研究  

A Nested Case control Study on the Effect of Three Cell Latrine for Preventing the Infection of the Intestinal Parasite

作　　者：何升良[1] 徐祥宽[1] 申屠杭[1] 王明娣[1] 

机构地区：[1]浙江省卫生防疫站

出　　处：《环境与健康杂志》1996年第5期206-208,212,共4页Journal of Environment and Health

摘　　要：采用“巢式”病例－对照研究（Ｎｅｓｔｅｄｃａｓｅ－ｃｏｎｔｒｏｌｓｔｕｄｙ）方法，１∶１配对。以肠线虫感染为指标，评价三缸厕所的防病效果，并对５个混淆因素进行了分析。结果表明，粪便未经无害化处理的相对危险性（ＯＲ）为１．９７（Ｐ＝０．０２），归因危险度比的估计值λ为０．０８６。说明在农村使用三缸厕所作为粪便无害化处理对肠线虫感染具有一定的预防作用。因素分析结果表明，务农职业、文化程度低、饭前便后不洗手、喜生食等人群，其ＯＲ值分别为２．２１、２．８９、９．２３、２．９５。he effect that three cell latrine against the parasitic disease were assesed by nested case control study with 1∶1 pair matching and based on population infection of parasite.It also analysed of 5 confounding factors.The research showed that the Odds Ratio of using excreta harmless untreated is 1.97( P =0.02),the Population Attributable risk ratio ()was 0 086.The result showed it was effective that using three cell latrine for preventing the infection of parasitic desease in rural area.Analysis on controling factors showed that the Odds Ratios are 2.21,2.89,9.23,2.95 respectively for the group of farming,lowing cultural lavel,not washing hands before eat or after defecater and liking uncooked food.All of them had statistic significance. [WT5”HZ〗

关 键 词：三缸厕所 粪便无害化处理 肠线虫 

分 类 号：R124.2[医药卫生—环境卫生学]