Multi-method Evaluation of the Management, Organisation and
Staffing (MEMOS) in high security treatment services for people with Dangerous and Severe Personality Disorder (DSPD) (October 2010)
Mental disorder and offending:
- Men with a diagnosis of schizophrenia are between 4 and 8 times
more likely to commit a violent offence - For women it is between 3 – 23x more likely
- The link between schizophrenia and sexual offending is unclear
- Some evidence that affective disorders are linked to violence
particularly bipolar disorder; unclear for sexual offending - People diagnosed with ‘personality disorder’ are more likely to
reoffend after hospital discharge than people with mental illness - People diagnosed with ‘personality disorder’ are more likely to
commit violence, and the prevalence rate of ‘personality disorder’
is higher in people who have committed sexual offences (causality
not inferred) - Anti-social, borderline and narcissistic and histrionic personality
disorders are most prevalent….
