Article
Study design options in evaluating gene-environment interactions: practical considerations for a planned case-control study of pediatric leukemia.
Pediatric blood & cancer - 1 Apr 2007
Goodman Michael, Dana Flanders W
Abstract excerpt
BACKGROUND: We compare methodological approaches for evaluating gene-environment interaction using a planned study of pediatric leukemia as a practical example. We considered three design options: a full case-control study (Option I), a case-only study (Option II), and a partial case-control study (Option III), in which information on controls is limited to environmental exposure only. PROCEDURE: For each design...
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