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[目的]研究煤矿工人胃癌发病的危险因素。[方法]采用1︰2配对病例对照研究方法,以问卷调查的形式对煤矿工人胃癌发病危险因素进行研究,通过条件Logistic回归单因素和多因素分析筛选主要危险因素。[结果]单因素分析显示15个因素与煤矿工人胃癌可能相关,多因素分析显示慢性胃病史、井下工作年限、粉尘暴露强度、高盐饮食、进食速度快、精神压力大、喜食新鲜蔬菜水果及生蒜与煤矿工人胃癌相关,其中喜食新鲜蔬菜水果及生蒜为保护性因素。[结论]煤矿工人胃癌的发生是多因素共同作用的结果,其中慢性胃病史、井下工作年限、粉尘暴露强度是煤工胃癌发病的主要危险因素。
[Objective] To study the risk factors of gastric cancer in coal miners. [Method] The 1︰2 matched case-control study was used to study the risk factors of gastric cancer in coal miners by means of questionnaire survey. The main risk factors were screened by conditional Logistic regression analysis of single factor and multivariate analysis. [Results] Univariate analysis showed that 15 factors may be related to gastric cancer in coal miners. Multivariate analysis showed that history of chronic gastritis, downhole working life, dust exposure intensity, high salt diet, fast food intake and mental stress, And raw garlic and coal miners related to gastric cancer, including eating fresh fruits and vegetables and garlic as a protective factor. [Conclusion] The occurrence of gastric cancer in coal miners is the result of many factors. The history of chronic gastritis, downhole working life and dust exposure intensity are the main risk factors for the occurrence of gastric cancer in coal miners.