Taking SASS results asdependent variable, the other 14 survey item as independent variables. Andprocessed by SPSS software, the data are mainly interactive categorical statistics, Tcheck and analysis on variance.

• 以SAS得分为因变量，另外14项调查项目作为自变量，采用SPSS软件进行处理，主要作了交互分类统计、T检验和方差分析。