| 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 |
| Analysis of causal mediation effect with odds ratio and excess relative risk as evaluation indexes |
DOI：10.11886/scjsws20220911004 |
| English keywords:Causal mediation effect Excess relative risk Multimodal covariate Effect component decomposition |
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| 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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