Article
A general test for gene-environment interaction in sib pair-based association analysis of quantitative traits.
Behavior genetics - 1 Jul 2008
van der Sluis Sophie, Dolan Conor V, Neale Michael C, Posthuma Danielle
Abstract excerpt
Several association studies support the hypothesis that genetic variants can modify the influence of environmental factors on behavioral outcomes, i.e., G x E interaction. The case-control design used in these studies is powerful, but population stratification with respect to allele frequencies can give rise to false positive or false negative associations. Stratification with respect to the environmental factors...
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