A Proxy Outcome Approach for Causal Effect in Observational Studies: A Simulation Study

Background: Known and unknown/unmeasured risk factors are the main sources of confounding effects in observational studies and can lead to false observations of elevated protective or hazardous effects. In this study, we investigate an alternative approach of analysis that is operated on field-speci...

Full description

Bibliographic Details
Main Authors: Liang, Wenbin, Zhao, Y., Lee, Andy
Format: Journal Article
Published: Hindawi Publishing Corporation 2014
Online Access:http://hdl.handle.net/20.500.11937/42634