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为研究煤矿区居民女性乳腺癌的发病危险因素，１９９１年至１９９４年间，在河南省平顶山矿区开展一次１：２配比的病例对照病因研究。对研究因素进行了单因素与多因素的统计分析。多元条件Ｌｏｇｉｓｔｉｃ回归分析表明该人群主要的发病危险因素为：乳腺良性疾病史、生育胎数少、月经紊乱及乳腺癌家族史。它们相应的调整人群归因危险度分别为０．１４８７、０．４７８１、０．１２８２、０．０７９１，四因素综合人群归因危险度为０．６９５２．
In order to study the risk factors of breast cancer among female residents in coal mining areas, a 1:2 ratio case-control etiology study was conducted in the Pingdingshan mining area in Henan Province from 1991 to 1994. Single factor and multi-factor statistical analysis were conducted on the research factors. Multivariate logistic regression analysis showed that the main risk factors for this population were: history of benign breast disease, few births, menstrual disorders, and family history of breast cancer. Their corresponding adjusted population attributive risk was 0.1487, 0.4781, 0.1282, and 0.0791, respectively, and the four-factor comprehensive population attributable risk was 0.6952.