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Data from the Children in the Community Transitions Study, a prospective longitudinal investigation, were used to examine the association between adolescent personality disorder (PD) traits and conflict with family members during the transition to adulthood. PD traits at mean age 16 years were associated with elevated contact and conflict with family members between ages 17 and 27 years after Axis I disorders were controlled. There was a significant association between frequent contact and elevated conflict with family members. Both declined gradually during the transition to adulthood. Reduced family contact was associated with reduced family conflict, particularly among individuals who had numerous PD traits during adolescence. Among individuals who had a high level of family conflict during adolescence, reduced family contact between ages 17 and 22 years was associated with a subsequent reduction in conflict with family members between ages 22 and 27 years.

An unselected sample of 543 children was followed over 20 years to test the independent effects of parenting, exposure to domestic violence between parents (ETDV), maltreatment, adolescent disruptive behavior disorders, and emerging adult substance abuse disorders (SUDs) on the risk of violence to and from an adult partner. Conduct disorder (CD) was the strongest risk for perpetrating partner violence for both sexes, followed by ETDV, and power assertive punishment. The effect of child abuse was attributable to these 3 risks. ETDV conferred the greatest risk of receiving partner violence; CD increased the odds of receiving partner violence but did not mediate this effect. Child physical abuse and CD in adolescence were strong independent risks for injury to a partner. SUD mediated the effect of adolescent CD on injury to a partner but not on injury by a partner. Prevention implications are highlighted.