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为探讨广西人群胃癌发生影响因素的特点，采用病例对照研究方法，对３１９例胃癌病人与正常对照进行１：１配对调查，用比数检验作单因素分析和条件Ｌｏｇｉｓｔｉｃ模型作多因素分析。结果在ａ＝０．０５水平上，筛选出１２个与胃癌发生有统计学意义的危险因素，即慢性胃疾病、胃癌家族史、饮酒、长期精神压边大、三餐不按时、缺乏水果、鲜肉少、鲜奶少、腌（泡）菜、烧烤肉类、熏肉（肠）、熏鱼干等。揭示胃癌发生是多种影响因素综合作用的结果，除遗传因素外，以生活饮食习惯更为重要；不同地区不同人群胃癌发生的影响因素不同，制定预防措施应因地制宜。
In order to explore the characteristics of gastric cancer in Guangxi population, a case-control study was conducted. One-on-one pairs of 319 gastric cancer patients and normal controls were investigated. The univariate analysis and conditional logistic model were used for multivariate analysis. RESULTS: At the a=0.05 level, 12 risk factors with statistical significance for gastric cancer were screened out, namely, chronic gastric disease, family history of gastric cancer, drinking, long-term mental embolism, three meals not on schedule, lack of fruit, Less meat, less milk, marinated (bubble) dishes, barbecue meat, bacon (intestines), smoked fish and so on. Revealing the occurrence of gastric cancer is the result of a combination of various factors. In addition to genetic factors, dietary habits are more important; different populations in different regions have different influencing factors for gastric cancer, and preventive measures should be developed according to local conditions.