Overall, rates of psychiatric comorbidity in this sample were higher than in other studies of DUI offenders (Lapham et al., 2006; Lapham et al., 2001; Laplante et al., 2008), and were consistently high across all DUI categories. Women and men differed in the lifetime prevalence of MDD, CD, and ASPD. In the case of externalizing disorders, it is noteworthy that while men with three or more DUIs had significantly higher rates than men with one or two DUIs, this was not true of women. This suggests that women who commit even a single DUI offense deviate more from women who do not than do men, consistent with a hypothesis of greater behavioral undercontrol among women with DUIs.
