Do comorbid PDs and SUDs moderate the relationship between psychotic disorders and sex offending?
In light of the robust findings of an increased risk of aggressive behavior toward others among persons with psychotic disorders as a whole, and specifically among those with schizophrenia and organic brain disorder, we hypothesized that men who had been hospitalized for a psychotic disorder, schizophrenia, or an organic brain disorder would have an increased risk of arrest for any sexual offense and for physically aggressive sexual offenses compared with men who had never been hospitalized. We hypothesized that affective psychosis would not be associated with an increased risk of sex offending, unless accompanied by a comorbid PD or SUD. Based on evidence that PDs and SUDs further increased risks of aggressive behavior among persons with psychotic disorders and schizophrenia, we hypothesized that these comorbid disorders would further increase the risks of arrests for any sexual offenses and for physically aggressive sexual offenses among men with psychotic disorders, schizophrenia, a
