Abstract
Methods to estimate direct and indirect effects have been rapidly expanding.1–14 It is now well documented that such mediation analyses are subject to strong no-confounding assumptions and that an unmeasured confounder of the mediator-outcome relationship can lead to substantial bias in direct and indirect effect estimates.1,2,6,7,14,15 Much less attention has been given to the question of how measurement error may bias estimates of direct and...
Paper Details
Title
Commentary
Published Date
Jul 1, 2012
Journal
Volume
23
Issue
4
Pages
561 - 564
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