Table 1. Clinical and criminal characteristics of 6,520 adults released from forensic psychiatry between 1973 and 2009.

		n (%)
Primary diagnosis at first discharge	Schizophrenia and other psychoses	2,188 (33.6%)
	Bipolar disorder	321 (4.9%)
	Depression	258 (4.0%)
	Anxiety	202 (3.1%)
	Substance use	1,114 (17.1%)
	Personality disorders	1,680 (25.8%)
	Learning disability	132 (2.0%)
	Developmental disorder	115 (1.8%)
	Organic disorder	149 (2.3%)
	Other	361 (5.6%)
Secondary diagnosis at first discharge	Substance abuse	1,458 (22.4%)
	Personality disorder	638 (9.8%)
Type of index offence*	Homicide and attempted homicide	792 (12.1%)
	Aggravated assault	1,595 (24.5%)
	Common assault	707 (10.8%)
	Assaulting an officer	753 (11.6%)
	Sexual offences	616 (9.4%)
	Robbery	364 (5.6%)
	Arson	661 (10.1%)
	Threats and harassment	1,893 (29.0%)
	Non-violent crime only	1,330 (20.4%)

*Some cases committed more than one type of crime at index offence.