急求各位大神帮助，gender age income educa 是控制变量，reentry是因变量，二分类变量；fearfail是自变量，二分类变量，都是个体层面；lnfearnation是国家层面的调节变量，连续变量。请问按下面做多层逻辑回归的语令对吗？调节变量交互图的语令又是什么？
logit reentry   //model 1//
logit reentry gender age income educa , nolog    //model 2//
xtmelogit reentry gender age income educa lnppp fearfail lnfearnation|| country:fearfail, nolog  //model 3//  
xtmelogit reentry gender age income educa lnppp fearfail lnfearnation fearlnfear|| country:fearfail, nolog     //model 4//