| 胡纯严,胡良平.以优势比和多余相对危险度为评价指标的因果中介效应分析[J].四川精神卫生杂志,2022,35(5):418-423.Hu Chunyan,Hu Liangping,Analysis of causal mediation effect with odds ratio and excess relative risk as evaluation indexes[J].SICHUAN MENTAL HEALTH,2022,35(5):418-423 |
| 以优势比和多余相对危险度为评价指标的因果中介效应分析 |
| Analysis of causal mediation effect with odds ratio and excess relative risk as evaluation indexes |
| 投稿时间：2022-09-11 |
| DOI：10.11886/scjsws20220911004 |
| 中文关键词: 因果中介效应 多余相对危险度 多模态协变量 效应成分分解 |
| 英文关键词:Causal mediation effect Excess relative risk Multimodal covariate Effect component decomposition |
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| 中文摘要: |
| 本文目的是介绍设置变量水平的选项和多模态协变量，以及通过实例展示以优势比（OR）和多余相对危险度（ERR）为评价指标的因果中介效应分析方法。对于处理变量、中介变量和协变量，都可以通过evaluate语句设置变量水平的选项；对于分类变量及其交互作用项，可将它们视为多模态协变量，也可使用evaluate语句为它们设置变量的水平。本文针对一个实例，采用SAS实现了以OR和ERR为评价指标的因果中介效应分析和效应成分的分解。 |
| 英文摘要: |
| The purpose of this paper was to introduce how to set the options of variable levels and multimodal covariates， and to demonstrate the causal mediation effect analysis method with odds ratio （OR） and excess relative risk （ERR） as evaluation indicators through examples. For treatment variables， mediator variables and covariates， the variable-level options of them could be set through the evaluate statement. For categorical variables and their interaction terms， they could be treated as multimodal covariates， and the variable levels could also be set for them by using the evaluate statement. Through an example， this paper used SAS to realize the causal mediation effect analysis and the decomposition of effect components with OR and ERR as the evaluation indicators. |
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