期刊
ANNALS OF HUMAN GENETICS
卷 70, 期 -, 页码 262-276出版社
WILEY
DOI: 10.1111/j.1529-8817.2005.00213.x
关键词
case-control Studies; Hardy-Weinberg equilibrium; McNemar test; meta-analysis; score test; transmission-disequilibrium test
This paper applies a retrospective logistic regression model (Prentice, 1976) using a sandwich variance estimator (White, 1982; Zeger et al. 1985) to genetic association studies in which alleles are treated as dependent variables. The validity of switching the positions of allele and trait variables in the regression model is ensured by the invariance property of the odds ratio. The approach is shown to be able to accommodate many commonly seen designs, matched or unmatched alike, having either binary or quantitative traits. The resultant score statistic has potentially higher power than those that have previously appeared in the genetics literature. As a regression model in general, this approach may also be applied to incorporate covariates. Numerical examples implemented with standard software are presented.
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