An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies

C. Austin, Peter

doi:10.1080/00273171.2011.568786

Public

An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies

Published in Multivariate Behavioral Research • May 31, 2011

Authors:

Peter C. Austin

Abstract

The propensity score is the probability of treatment assignment conditional on observed baseline characteristics. The propensity score allows one to design and analyze an observational (nonrandomized) study so that it mimics some of the particular characteristics of a randomized controlled trial. In...

Subject

Propensity score matching

Observational study

Covariate

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