Mental disorders and violence risk : epidemiological and clinical cohort studies
Author: Moberg, Tomas
Date: 2016-01-29
Location: Cronholmssalen, Hus R5, Karolinska University Hospital, Solna.
Time: 10.00
Department: Inst för klinisk neurovetenskap / Dept of Clinical Neuroscience
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Thesis (3.840Mb)
Abstract
Introduction: Violence morbidity and mortality has been increasingly recognized to be of importance for
public health. The relationship between mental illness and violent crime is complex because
of the involvement of several confounding risk factors.
Aim: The aim of this thesis was to study the risk of interpersonal violence and violent crime in common mental disorders with a focus on the effect of early risk factors, the relationship between interpersonal violence and the serotonin system, as well as the risk of death.
Methods: A birth cohort of 49,000 Swedish men was followed longitudinally in registers for 35 years after conscription and two clinical cohorts of 42 and 161 suicide attempters, respectively, were studied using cross-sectional study designs. Interpersonal violence was studied among individuals with a mental disorder using group comparisons, correlation analyses, and relative risks measured by means of odds ratios and confidence intervals from bivariate and multivariate logistic regression. Mortality was studied among violent offenders using Cox proportional hazard regression analyses.
Results: Mental disorders led to a general increase in the risk for interpersonal violence and violent recidivists had a higher mortality. Mental Retardation, Substance-Related Disorders and early behavioural problems, including violent behaviour in childhood, were important predictors of expressed interpersonal violence in adults. Personality Disorders were a predictor of expressed interpersonal violence in men. Affective-Anxiety Disorders were weak predictors of adult interpersonal violence. No association was found between Psychosis and violent offending. Childhood maltreatment was shown to be a weak predictor of adult interpersonal violence, with aggression dyscontrol only in a subgroup of traumatized individuals with low levels of a serotonin metabolite in the cerebrospinal fluid. Violent recidivists had a significantly higher risk of dying from an Alcohol- or Drug-Related Disorder and by suicide.
Conclusions: Violence risk assessments should include a thorough psychiatric and psychological evaluation, including cognitive tests and information about early behavioural problems and childhood maltreatment. Mental Retardation should be included in the violence risk assessment instruments. Risk assessments for violence also provide tools to identify violent offenders who are at high risk of mortality.
Aim: The aim of this thesis was to study the risk of interpersonal violence and violent crime in common mental disorders with a focus on the effect of early risk factors, the relationship between interpersonal violence and the serotonin system, as well as the risk of death.
Methods: A birth cohort of 49,000 Swedish men was followed longitudinally in registers for 35 years after conscription and two clinical cohorts of 42 and 161 suicide attempters, respectively, were studied using cross-sectional study designs. Interpersonal violence was studied among individuals with a mental disorder using group comparisons, correlation analyses, and relative risks measured by means of odds ratios and confidence intervals from bivariate and multivariate logistic regression. Mortality was studied among violent offenders using Cox proportional hazard regression analyses.
Results: Mental disorders led to a general increase in the risk for interpersonal violence and violent recidivists had a higher mortality. Mental Retardation, Substance-Related Disorders and early behavioural problems, including violent behaviour in childhood, were important predictors of expressed interpersonal violence in adults. Personality Disorders were a predictor of expressed interpersonal violence in men. Affective-Anxiety Disorders were weak predictors of adult interpersonal violence. No association was found between Psychosis and violent offending. Childhood maltreatment was shown to be a weak predictor of adult interpersonal violence, with aggression dyscontrol only in a subgroup of traumatized individuals with low levels of a serotonin metabolite in the cerebrospinal fluid. Violent recidivists had a significantly higher risk of dying from an Alcohol- or Drug-Related Disorder and by suicide.
Conclusions: Violence risk assessments should include a thorough psychiatric and psychological evaluation, including cognitive tests and information about early behavioural problems and childhood maltreatment. Mental Retardation should be included in the violence risk assessment instruments. Risk assessments for violence also provide tools to identify violent offenders who are at high risk of mortality.
List of papers:
I. Moberg T, Stenbacka M, Tengström A, Jönsson EG, Nordström P, Jokinen J: Psychiatric and neurological disorders in late adolescence and risk of convictions for violent crime in men. BMC Psychiatry 2015, 15(1):299.
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II. Moberg T, Stenbacka M, Jönsson EG, Nordström P, Åsberg M, Jokinen J: Risk factors for adult interpersonal violence in suicide attempters. BMC Psychiatry 2014, 14:195.
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III. Moberg T, Nordström P, Forslund K, Kristiansson M, Åsberg M, Jokinen J: CSF 5-HIAA and exposure to and expression of interpersonal violence in suicide attempters. Journal of Affective Disorders 2011, 132(1-2):173-178.
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IV. Stenbacka M, Moberg T, Romelsjö A, Jokinen J: Mortality and causes of death among violent offenders and victims – a Swedish population-based longitudinal study. BMC Public Health 2012, 12:38.
Fulltext (DOI)
Pubmed
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I. Moberg T, Stenbacka M, Tengström A, Jönsson EG, Nordström P, Jokinen J: Psychiatric and neurological disorders in late adolescence and risk of convictions for violent crime in men. BMC Psychiatry 2015, 15(1):299.
Fulltext (DOI)
Pubmed
View record in Web of Science®
II. Moberg T, Stenbacka M, Jönsson EG, Nordström P, Åsberg M, Jokinen J: Risk factors for adult interpersonal violence in suicide attempters. BMC Psychiatry 2014, 14:195.
Fulltext (DOI)
Pubmed
View record in Web of Science®
III. Moberg T, Nordström P, Forslund K, Kristiansson M, Åsberg M, Jokinen J: CSF 5-HIAA and exposure to and expression of interpersonal violence in suicide attempters. Journal of Affective Disorders 2011, 132(1-2):173-178.
Fulltext (DOI)
Pubmed
View record in Web of Science®
IV. Stenbacka M, Moberg T, Romelsjö A, Jokinen J: Mortality and causes of death among violent offenders and victims – a Swedish population-based longitudinal study. BMC Public Health 2012, 12:38.
Fulltext (DOI)
Pubmed
View record in Web of Science®
Institution: Karolinska Institutet
Supervisor: Jokinen, Jussi
Issue date: 2015-12-30
Rights:
Publication year: 2016
ISBN: 978-91-7676-185-4
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