倾向评分配比在SPSS软件上的实现

Propensity score matching in SPSS

目的研究倾向评分配比法在SPSS软件上的实现,并对分析结果进行解释。方法通过安装与SPSS对应版本能够连接的R软件和插件,以及实现倾向评分配比需要的程序包,在SPSS界面添加PS Matching模块,然后结合实例演示如何使用模块。结果成功实现了评分配比,并对匹配效果给出直观和定量的统计描述与评价。结论在SPSS软件中,可以较为方便地实现倾向评分配比。

Objective To realize propensity score matching in PS Matching module of SPSS and interpret the analysis results.Methods The R software and plug-in that could link with the corresponding versions of SPSS and propensity score matching package were installed. A PS matching module was added in the SPSS interface, and its use was demonstrated with test data.Results Score estimation and nearest neighbor matching was achieved with the PS matching module, and the results of qualitative and quantitative statistical description and evaluation were presented in the form of a graph matching. Conclusion Propensity score matching can be accomplished conveniently using SPSS software.