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Suicide attempt is a risk factor for suicide. To investigate trait impulsivity among suicide attempters, 93 attempters admitted to an emergency department and 113 healthy controls were evaluated using the Japanese version of the Barratt Impulsiveness Scale (BIS-11J). Impulsivity was analyzed in relation to clinical data in the attempters. Total BIS-11J, attention impulsiveness, and motor impulsiveness scores were significantly higher in the attempters than in the controls. Both total BIS-11J and non-planning impulsiveness scores were significantly higher in attempters with schizophrenia and other psychotic disorders among the diagnostic groups. Control of impulsivity should be considered as one of the targets for suicide prevention. [ABSTRACT FROM AUTHOR]

Suicide attempt is a potent risk factor of subsequent suicide. Understanding the characteristics of suicide attempters is important for preventing suicide. The authors investigated aggression in medically serious suicide attempters at an emergency department. Trait aggression was evaluated in 55 suicide attempters and 71 healthy individuals as a control group using the Japanese version of the Buss-Perry Aggression Questionnaire (BAQ). Total BAQ scores ( t = 2.782, P = 0.006) and the hostility scores ( t = 3.735, P < 0.001) were significantly higher in the suicide attempters than the controls. It suggested that to focus on aggression and its management is one of the key components for preventing suicide. [ABSTRACT FROM AUTHOR]