Da. Brent et al., PERSONALITY-DISORDER, PERSONALITY-TRAITS, IMPULSIVE VIOLENCE, AND COMPLETED SUICIDE IN ADOLESCENTS, Journal of the American Academy of Child and Adolescent Psychiatry, 33(8), 1994, pp. 1080-1086
Objective: This study was designed to assess the association between p
ersonality disorders, personality traits, impulsive violence, and suic
ide. Method: Personality disorders and traits in 43 adolescent suicide
victims and 43 community controls were assessed from the parents, usi
ng semistructured interviews and self-report forms. Results: Probable
or definite personality disorders were more common in suicide victims
than in controls, particularly Cluster B (impulsive-dramatic) and C ty
pe (avoidant-dependent) disorders. Suicide victims also showed greater
scores on lifetime aggression, even after controlling for differences
in psychopathology between suicides and controls. Conclusion: Persona
lity disorders and the tendency to engage in impulsive violence are cr
itical risk factors for completed suicide.