Analysis of the diagnostic data focused on investigating the frequencies of each disorder (ASPD, CD, ASPD/CD) in men and in women in the entire community sample assessed (n=587), and in the subsample that the linkage analyses were conducted (n=251) (see below). The same calculation was made for each disorder in the alcohol dependent and non-alcohol dependent groups. To determine if significant comorbidity existed between each disorder and alcohol dependence, the odds ratio and 95% confidence interval were calculated for both men and women.