As for the comorbidities evaluated, after correction for multiple tests, significant associations were observed for both rs11568817 and rs130058 with substance use disorders (P<sub>corr</sub> = 0.009 and P<sub>corr</sub> = 0.018, respectively) and for rs11568817 with nicotine dependence (P<sub>corr</sub> = 0.025) in men with ADHD.