ＬＯＧＩＳＴＩＣ回归法是一种多变量分析方法 ,适用于当结果变量为二分类变量时分析多种因素对同一结果的影响程度。在吸烟这个问题上 ,有很多因素会对行为产生影响。为了解四川省中学生吸烟状况及其影响因素 ,四川省健康教育所于 1 996年 9月对省内 4所城、乡中学进行了调查 LOGISTIC regression is a multivariate analysis method that is used to analyze how many factors affect the same result when the outcome variable is a dichotomous variable. There are many factors that can affect behavior on the issue of smoking. In order to understand the status of secondary school students smoking in Sichuan Province and its influential factors, Sichuan Provincial Health Education Institute conducted a survey on four cities and township secondary schools in the province in September 1996