Risk factors for violent behaviour before and after the onset of schizophrenia spectrum disorder:A naturalistic case-control study in the Netherlands

Background: Risk factors for violent behaviour may differ depending on whether this begins before (VBO) or after (VAO) the onset of schizophrenia spectrum disorder. However, previous studies have been limited by selective samples of forensic patients and crude outcome measures. Methods: The sample consisted of 1013 patients with schizophrenia spectrum disorders recruited from various treatment settings across the Netherlands. Putative risk factors and outcomes were measured with standardised instruments. We used logistic regression models to compare patients with VBO (n = 48), patients with VA... Mehr ...