How emotional traits and affective temperaments relate to cocaine experimentation, abuse and dependence in a large sample

► Much of the trait differences were related to cocaine experimentation. ► Control and coping scores reduced with increased cocaine involvement. ► Anger, desire and impulsivity were increased in cocaine groups. ► Cyclothymics and euphorics were overrepresented proportionally to drug involvement. ► The effects of cocaine may only aggravate previous dysfunctional traits.