家庭聚集性是肠道寄生虫感染的一个重要流行特征。为了探索家庭聚集性分析结果与分析方法的关系 ,作者用二项分布拟合检验、G检验和负二项分布拟合检验分析了肠道寄生虫感染的家庭聚集性 ,并对 3种方法进行了比较。材料和方法1　对象重庆市城乡 2 76 1户全家均接受了肠道寄生虫 Family aggregation is an important epidemic characteristic of intestinal parasitic infections. In order to explore the relationship between family aggregation analysis results and analysis methods, the author used binomial distribution fitting test, G test and negative binomial distribution fitting test to analyze the family aggregation of intestinal parasitic infections, and conducted three methods A Materials and methods 1 object Chongqing urban and rural areas 2 76 1 families all accepted intestinal parasites