Article
Increased power to detect gene-environment interaction using siblings controls.
Annals of epidemiology - 1 Oct 2005
Andrieu Nadine, Dondon Marie-Gabrielle, Goldstein Alisa M
Abstract excerpt
PURPOSE: Interest is increasing in studying gene-environment (G x E) interaction in disease etiology. Study designs using related controls as a more appropriate control group for evaluating G x E interactions have been proposed but often assume unrealistic numbers of available relative controls. To evaluate a more realistic design, we studied the relative efficiency of a 1:0.5 case-sibling-control design compared...
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