Plot of type I error rates for the adjusted test versus the unadjusted test at varying covariate risk levels

<p><b>Copyright information:</b></p><p>Taken from "Susceptibility scoring in family-based association testing"</p><p>http://www.biomedcentral.com/1471-2156/4/s1/S49</p><p>BMC Genetics 2003;4(Suppl 1):S49-S49.</p><p>Published online 31 Dec 2003</p><p>PMCID:PMC1866485.</p><p></p> The legend lists the odds of disease, given exposure to the covariate, at each point. The type I error rates are not significantly different from 5% for either the adjusted or unadjusted test (> 0.5). Likewise, the error rates are not significantly different between tests (= 0.71)