Double-adjustment in propensity score matching analysis: choosing a threshold for considering residual imbalance

Double-adjustment in propensity score matching analysis: choosing a threshold for considering residual imbalance

Abstract Background Double-adjustment can be used to remove confounding if imbalance exists after propensity score (PS) matching. However, it is not always possible to include all covariates in adjustment. We aimed to find the optimal imbalance threshold for entering covariates into regression. Meth...

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Bibliographic Details
Main Authors: Tri-Long Nguyen, Gary S. Collins, Jessica Spence, Jean-Pierre Daurès, P. J. Devereaux, Paul Landais, Yannick Le Manach
Format: Article
Language:English
Published: BMC 2017-04-01
Series:BMC Medical Research Methodology
Subjects:
Causal inference
Propensity score
Covariate balance
Confounding
Online Access:http://link.springer.com/article/10.1186/s12874-017-0338-0

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http://link.springer.com/article/10.1186/s12874-017-0338-0

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