Article
Unconditional analyses can increase efficiency in assessing gene-environment interaction of the case-combined-control design.
International journal of epidemiology - 1 Aug 2006
Goldstein Alisa M, Dondon Marie-Gabrielle, Andrieu Nadine
Abstract excerpt
BACKGROUND: A design combining both related and unrelated controls, named the case-combined-control design, was recently proposed to increase the power for detecting gene-environment (GxE) interaction. Under a conditional analytic approach, the case-combined-control design appeared to be more efficient and feasible than a classical case-control study for detecting interaction involving rare events. METHODS: We...
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