0.001; Table 1). After controlling for baseline age, the differences in marital status, age of onset of DSM IV alcohol dependence, marijuana dependence, number of non-alcohol substance dependence disorders, and ASPD were no longer significant. As anticipated (Hypothesis 1), having a relative in the current prospective study increased the chances of an older subject being located (odds ratio and 95% confidence interval = 1.81 [1.47, 2.23]).
