One-way analysis showed the long years of indoor pesticides use,the long years of organic solvents exposure and pesticides exposure,pollution around residence,long years of passive smoking and more radiation examination were risk factors.

• 单因素分析表明,室内杀虫剂使用年限长、有机溶剂暴露年限长、农药暴露年限长、居住区环境污染、被动吸烟年限长、放射线检查次数多为乳腺癌的危险因素;