A tutorial for using propensity score weighting for moderation analysis: an application to smoking disparities among sexual minority adults
利用倾向得分加权进行调节效应分析:性少数成年人吸烟差异的应用教程
Objective. To provide step-by-step guidance and STATA and R code for using propensity score (PS) weighting to estimate moderation effects. Research Design. Tutorial illustrating the key steps for estimating and testing moderation using observational data. Steps include (1) examining covariate overlap across treatment groups within levels of the moderator, (2) estimating the PS weights, (3) evaluating whether PS weights improved covariate balance, (4) estimating moderated…