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[目的]通过对辽宁省胃癌高低发地区居民的基本情况、生活习惯、饮食因素和生物因素分布进行对比调查,探讨胃癌发病相关危险因素。[方法]在辽宁省胃癌高低发区各随机选择一个村,共280名调查对象,对随机抽取研究对象按高低发区分组进行流行病学调查及采集标本,分析两组调查对象各项指标差异。[结果]每天摄入玉米类食物、每周摄入3次以上动物性脂肪为胃癌的危险因素;每天摄入面类食物、每周摄入1次以上豆类及其制品、每周摄入3次以上植物性脂肪为保护性因素。[结论]调整农村居民膳食结构,增加面类食品,减少玉米类食品的摄入,增加豆类及制品的摄入,增加植物性脂肪,减少动物性脂肪,可能对降低辽宁省农村地区胃癌的发病有一定意义。
[Objective] By investigating the basic situation, living habits, dietary factors and biological factors of residents with high and low incidence of stomach cancer in Liaoning Province, the risk factors related to the pathogenesis of gastric cancer were investigated. [Methods] A total of 280 questionnaires were randomly selected from each village in Liaoning province with high and low prevalence of gastric cancer. Epidemiological surveys and samples were collected randomly from high and low incidence areas, and the differences between the two groups were analyzed . [Results] The daily intake of corn food, intake of animal fat more than 3 times a week as a risk factor for gastric cancer; daily intake of noodles, weekly intake of beans and their products more than once weekly intake 3 times or more plant fat as a protective factor. [Conclusion] Adjusting the dietary structure of rural residents, increasing the noodles’ food, reducing the intake of corn foods, increasing the intake of beans and products, increasing the plant fat and reducing the animal fat may be beneficial to reduce gastric cancer in rural areas of Liaoning Province The incidence of a certain significance.