Schizophrenia and violent crime: a population-based study

Fleischman, Anat; Werbeloff, Nomi; Yoffe, Rinat; Davidson, Michael; Weiser, Mark

doi:10.1017/s0033291714000695

Cited by 79 publications

(91 citation statements)

References 45 publications

(73 reference statements)

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“…In addition, the association between SCZ and violence is closely associated with sociocultural and economic factors 9, 17–19 . Previous findings were virtually all obtained in Western countries 3, 8–10, 13–15 , and therefore could not be generalized to different contexts. To date, there have been no studies examining violence in female patients with schizophrenia in China.…”

Section: Introductionmentioning

confidence: 84%

“…Several large-scale epidemiological surveys concerning violent offence and psychiatric disorders have been conducted in other countries 2, 3, 8, 9, 14, 15, 17 . However, the main limitations included the probable underestimation of prevalence of violence due to self- or family-report measures 9, 14, 15 , and the inadequate information on socioeconomic status 9 .…”

Section: Discussionmentioning

confidence: 99%

“…For example, female perpetrators had higher prevalence of SCZ than males 8, 9 . Female patients with SCZ had increased risk for violence offence compared to the general population 2, 3, 10, 11 , with odds ratios (ORs) even higher than men 3, 12 .…”

Section: Introductionmentioning

confidence: 94%

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Association between schizophrenia and violence among Chinese female offenders

Wang

Chun

Lee

et al. 2017

Sci Rep

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Little is known about the association between schizophrenia and violence in women in China. This study aimed to examine the association between schizophrenia and violence in Chinese female offenders. Fifty-two schizophrenia patients were identified from the female offenders who received forensic psychiatric assessments in 2011 in Hunan province, China. Using a propensity score matching method, 104 matched controls without psychiatric disorders were selected from female criminals in Hunan province. Violent offences and homicides were verified and recorded. The percentages of violent offences and homicides were significantly higher in female offenders with schizophrenia than in controls (78.8% vs. 30.8%, P < 0.001; 44.2% vs. 18.3%, P = 0.001, respectively). Multivariate logistic regression analyses revealed that diagnosis of schizophrenia, younger age at first offence, living in rural area and a lower education level were independently and positively associated with violent offences, while having a diagnosis of schizophrenia and lower education level were associated with homicides. There appears to be an independent and positive association between schizophrenia and violent offence in Chinese female offenders. Effective preventive approaches on violence in female schizophrenia patients are warranted.

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Section: Introductionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 99%

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Association between schizophrenia and violence among Chinese female offenders

Wang

Chun

Lee

et al. 2017

Sci Rep

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“…Nationwide registry studies have further observed that such associations persist even when patients are compared to their unaffected siblings (2-4), which suggests that the associations may be consistent with a causal inference (5). Importantly, these studies add to a broader literature that attributes a large share of the violence risk increase to a subgroup of patients who have or are currently engaging in substance misuse (6, 7).…”

mentioning

confidence: 99%

Genetic and environmental determinants of violence risk in psychotic disorders: a multivariate quantitative genetic study of 1.8 million Swedish twins and siblings

2015

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Patients diagnosed with psychotic disorders (e.g., schizophrenia and bipolar disorder) have elevated risks of committing violent acts, particularly if they are comorbid with substance misuse. Despite recent insights from quantitative and molecular genetic studies demonstrating considerable pleiotropy in the genetic architecture of these phenotypes, there is currently a lack of large-scale studies that have specifically examined the etiological links between psychotic disorders and violence. Using a sample of all Swedish individuals born between 1958-1989 (n=3,232,010), we identified a total of 923,259 twin-sibling pairs. Patients were identified using the National Patient Register using validated algorithms based on ICD 8-10. Univariate quantitative genetic models revealed that all phenotypes (schizophrenia, bipolar disorder, substance misuse and violent crime) were highly heritable (h2=53-71%). Multivariate models further revealed that schizophrenia was a stronger predictor of violence (r=0.32; 95% CI: 0.30-0.33) than bipolar disorder (r=0.23; 0.21-0.25) and large proportions (51%-67%) of these phenotypic correlations were explained by genetic factors shared between each disorder, substance misuse and violence. Importantly, we found that genetic influences that were unrelated to substance misuse explained approximately a fifth (21%; 20%-22%) of the correlation with violent criminality in bipolar disorder but none of the same correlation in schizophrenia (pbipolar disorder<0.001; pschizophrenia=0.55). These findings highlight the perils of not disentangling common and unique sources of covariance across genetically similar phenotypes as the latter sources may include etiologically important clues. Clinically, these findings underline the importance of assessing risk of different phenotypes together and integrating interventions for psychiatric disorders, substance misuse and violence.

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“…Asimismo, en un estudio reciente realizado en Israel (Fleischman, Werbeloff, Yoffe, Davidson y Weiser, 2014), los pacientes con esquizofrenia tenían más riesgo de cometer delitos violentos en comparación con los sujetos del grupo de control (4.3 veces más de probabilidad en el caso de los hombres y 9.9 veces más en el de las mujeres). Este riesgo para delitos violentos fue mayor entre los pacientes con abuso de sustancias (5.1 veces Tabla 1 Factores que incrementan el riesgo de violencia en la esquizofrenia Fuentes Inicio de la enfermedad sin diagnóstico y tratamiento.…”

Section: Estudios Sobre Violencia Y Esquizofreniaunclassified

Violencia y esquizofrenia: un análisis clínico-forense

Esbec

Echeburúa

2016

Anuario de Psicología Jurídica

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En la opinión pública la esquizofrenia se vincula frecuentemente con la violencia. Si bien hay una asociación entre ambas, menos del 10% de la violencia social experimentada es atribuible a la esquizofrenia. El riesgo de violencia de los pacientes con esquizofrenia es mayor si hay consumo de drogas, trastornos de personalidad, historia de violencia, ideas paranoides, alucinaciones auditivas, impulsividad y circunstancias sociales desfavorables. El riesgo de violencia aumenta también si se abandona el tratamiento o están presentes los síntomas psicóticos positivos. Cuando la violencia ocurre, esta se dirige hacia personas familiares y tiene lugar en el hogar. Se analiza la responsabilidad criminal y la respuesta del sistema penal a la violencia cometida por estos pacientes. Los informes forenses desempeñan un papel muy importante en los tribunales para ayudar al juez a tomar la decisión adecuada entre las distintas alternativas existentes. Se comentan los retos para la investigación futura.

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Schizophrenia and violent crime: a population-based study

Abstract: The results of this study suggest that increased risk of violence is part of the clinical picture of schizophrenia and needs to be recognized as a legitimate, essential, aspect of clinical management.

Cited by 79 publications

References 45 publications

Association between schizophrenia and violence among Chinese female offenders

Association between schizophrenia and violence among Chinese female offenders

Genetic and environmental determinants of violence risk in psychotic disorders: a multivariate quantitative genetic study of 1.8 million Swedish twins and siblings

Violencia y esquizofrenia: un análisis clínico-forense

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