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...
Main Authors: | , , |
---|---|
Format: | Journal Article |
Published: |
Hindawi Publishing Corporation
2014
|
Online Access: | http://hdl.handle.net/20.500.11937/42634 |