title: Characteristics of assaultive behavior among psychiatric inpatients.
abstract: OBJECTIVE
  The purpose of this study was to assess the extent to which psychosis, disordered impulse control, and psychopathy contribute to assaults among psychiatric inpatients.
  
  
  METHODS
  The authors used a semistructured interview to elicit reasons for assaults from assailants and their victims on an inpatient research ward. Video monitoring provided supplemental information to confirm participants' identities and activities before and during the assault.
  
  
  RESULTS
  Consensus clinical ratings indicated that approximately 20 percent of the assaults in this sample were directly related to positive psychotic symptoms. Factor analysis revealed two psychosis-related factors, one related to positive psychotic symptoms and the other to psychotic confusion and disorganization, as well as a third factor that differentiated impulsive from psychopathic assaults.
  
  
  CONCLUSIONS
  Information obtained from interviews with assailants can reveal the underlying causes of specific assaults. This information is potentially useful in the selection of rational antiaggressive treatment strategies.
authors.affiliation: Nathan S. Kline Institute for Psychiatric Research, 140 Old Orangeburg Road, Orangeburg, New York 10962, USA. nolan@nki.rfmh.org
authors.forename: Karen A
authors.initials: KA
authors.lastname: Nolan
authors.forename: Pál
authors.initials: P
authors.lastname: Czobor
authors.forename: Biman B
authors.initials: BB
authors.lastname: Roy
authors.forename: Meredith M
authors.initials: MM
authors.lastname: Platt
authors.forename: Constance B
authors.initials: CB
authors.lastname: Shope
authors.forename: Leslie L
authors.initials: LL
authors.lastname: Citrome
authors.forename: Jan
authors.initials: J
authors.lastname: Volavka
mesh_terms: D032921:Consensus; D005163:Factor Analysis, Statistical; D005260:Female; D006760:Hospitalization; D006801:Humans; D007175:Impulsive Behavior / Q000523:psychology; D007297:Inpatients / Q000523:psychology* / Q000706:statistics & numerical data*; D008297:Male; D001523:Mental Disorders / Q000534:rehabilitation*; D011613:Psychotherapy / Q000379:methods; D012307:Risk Factors; D012737:Sex Factors; D014743:Videotape Recording; D014754:Violence / Q000523:psychology* / Q000706:statistics & numerical data*