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

Nguyen, Tri‐Long; Gary S. Collins, Professor; Spence, Jessica; Daurès, Jean‐Pierre; Devereaux, P.J.; Landais, Paul; Le Manach, Yannick

doi:10.1186/s12874-017-0338-0

Public

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

Published in BMC Medical Research Methodology • Apr 28, 2017

Authors:

Tri‐Long Nguyen

Professor Gary S. Collins

Jessica Spence

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. METHODS: We ...

Subject

Covariate

Propensity score matching

Confounding

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