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Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study

BACKGROUND: Intimate partner violence (IPV) against women is associated with a wide range of adverse outcomes. Although mental disorders have been linked to an increased risk of perpetrating IPV against women, the direction and magnitude of the association remain uncertain. In a longitudinal design,...

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Autores principales: Yu, Rongqin, Nevado-Holgado, Alejo J., Molero, Yasmina, D’Onofrio, Brian M., Larsson, Henrik, Howard, Louise M., Fazel, Seena
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6917212/
https://www.ncbi.nlm.nih.gov/pubmed/31846461
http://dx.doi.org/10.1371/journal.pmed.1002995
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author Yu, Rongqin
Nevado-Holgado, Alejo J.
Molero, Yasmina
D’Onofrio, Brian M.
Larsson, Henrik
Howard, Louise M.
Fazel, Seena
author_facet Yu, Rongqin
Nevado-Holgado, Alejo J.
Molero, Yasmina
D’Onofrio, Brian M.
Larsson, Henrik
Howard, Louise M.
Fazel, Seena
author_sort Yu, Rongqin
collection PubMed
description BACKGROUND: Intimate partner violence (IPV) against women is associated with a wide range of adverse outcomes. Although mental disorders have been linked to an increased risk of perpetrating IPV against women, the direction and magnitude of the association remain uncertain. In a longitudinal design, we examined the association between mental disorders and IPV perpetrated by men towards women in a population-based sample and used sibling comparisons to control for factors shared by siblings, such as genetic and early family environmental factors. METHODS AND FINDINGS: Using Swedish nationwide registries, we identified men from 9 diagnostic groups over 1998–2013, with sample sizes ranging from 9,529 with autism to 88,182 with depressive disorder. We matched individuals by age and sex to general population controls (ranging from 186,017 to 1,719,318 controls), and calculated the hazard ratios of IPV against women. We also estimated the hazard ratios of IPV against women in unaffected full siblings (ranging from 4,818 to 37,885 individuals) compared with the population controls. Afterwards, we compared the hazard ratios for individuals with psychiatric diagnoses with those for siblings using the ratio of hazard ratios (RHR). In sensitivity analyses, we examined the contribution of previous IPV against women and common psychiatric comorbidities, substance use disorders and personality disorders. The average follow-up time across diagnoses ranged from 3.4 to 4.8 years. In comparison to general population controls, all psychiatric diagnoses studied except autism were associated with an increased risk of IPV against women in men, with hazard ratios ranging from 1.5 (95% CI 1.3–1.7) to 7.7 (7.2–8.3) (p-values < 0.001). In sibling analyses, we found that men with depressive disorder, anxiety disorder, alcohol use disorder, drug use disorder, attention deficit hyperactivity disorder, and personality disorders had a higher risk of IPV against women than their unaffected siblings, with RHR values ranging from 1.7 (1.3–2.1) to 4.4 (3.7–5.2) (p-values < 0.001). Sensitivity analyses showed higher risk of IPV against women in men when comorbid substance use disorders and personality disorders were present, compared to risk when these comorbidities were absent. In addition, increased IPV risk was also found in those without previous IPV against women. The absolute rates of IPV against women ranged from 0.1% to 2.1% across diagnoses over 3.4 to 4.8 years. Individuals with alcohol use disorders (1.7%, 1,406/82,731) and drug use disorders (2.1%, 1,216/57,901) had the highest rates. Our analyses were restricted to IPV leading to arrest, suggesting that the applicability of our results may be limited to more severe forms of IPV perpetration. CONCLUSIONS: Our results indicate that most of the studied mental disorders are associated with an increased risk of perpetrating IPV towards women, and that substance use disorders, as principal or comorbid diagnoses, have the highest absolute and relative risks. The findings support the development of IPV risk identification and prevention services among men with substance use disorders as an approach to reduce the prevalence of IPV.
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spelling pubmed-69172122019-12-27 Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study Yu, Rongqin Nevado-Holgado, Alejo J. Molero, Yasmina D’Onofrio, Brian M. Larsson, Henrik Howard, Louise M. Fazel, Seena PLoS Med Research Article BACKGROUND: Intimate partner violence (IPV) against women is associated with a wide range of adverse outcomes. Although mental disorders have been linked to an increased risk of perpetrating IPV against women, the direction and magnitude of the association remain uncertain. In a longitudinal design, we examined the association between mental disorders and IPV perpetrated by men towards women in a population-based sample and used sibling comparisons to control for factors shared by siblings, such as genetic and early family environmental factors. METHODS AND FINDINGS: Using Swedish nationwide registries, we identified men from 9 diagnostic groups over 1998–2013, with sample sizes ranging from 9,529 with autism to 88,182 with depressive disorder. We matched individuals by age and sex to general population controls (ranging from 186,017 to 1,719,318 controls), and calculated the hazard ratios of IPV against women. We also estimated the hazard ratios of IPV against women in unaffected full siblings (ranging from 4,818 to 37,885 individuals) compared with the population controls. Afterwards, we compared the hazard ratios for individuals with psychiatric diagnoses with those for siblings using the ratio of hazard ratios (RHR). In sensitivity analyses, we examined the contribution of previous IPV against women and common psychiatric comorbidities, substance use disorders and personality disorders. The average follow-up time across diagnoses ranged from 3.4 to 4.8 years. In comparison to general population controls, all psychiatric diagnoses studied except autism were associated with an increased risk of IPV against women in men, with hazard ratios ranging from 1.5 (95% CI 1.3–1.7) to 7.7 (7.2–8.3) (p-values < 0.001). In sibling analyses, we found that men with depressive disorder, anxiety disorder, alcohol use disorder, drug use disorder, attention deficit hyperactivity disorder, and personality disorders had a higher risk of IPV against women than their unaffected siblings, with RHR values ranging from 1.7 (1.3–2.1) to 4.4 (3.7–5.2) (p-values < 0.001). Sensitivity analyses showed higher risk of IPV against women in men when comorbid substance use disorders and personality disorders were present, compared to risk when these comorbidities were absent. In addition, increased IPV risk was also found in those without previous IPV against women. The absolute rates of IPV against women ranged from 0.1% to 2.1% across diagnoses over 3.4 to 4.8 years. Individuals with alcohol use disorders (1.7%, 1,406/82,731) and drug use disorders (2.1%, 1,216/57,901) had the highest rates. Our analyses were restricted to IPV leading to arrest, suggesting that the applicability of our results may be limited to more severe forms of IPV perpetration. CONCLUSIONS: Our results indicate that most of the studied mental disorders are associated with an increased risk of perpetrating IPV towards women, and that substance use disorders, as principal or comorbid diagnoses, have the highest absolute and relative risks. The findings support the development of IPV risk identification and prevention services among men with substance use disorders as an approach to reduce the prevalence of IPV. Public Library of Science 2019-12-17 /pmc/articles/PMC6917212/ /pubmed/31846461 http://dx.doi.org/10.1371/journal.pmed.1002995 Text en © 2019 Yu et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Yu, Rongqin
Nevado-Holgado, Alejo J.
Molero, Yasmina
D’Onofrio, Brian M.
Larsson, Henrik
Howard, Louise M.
Fazel, Seena
Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study
title Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study
title_full Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study
title_fullStr Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study
title_full_unstemmed Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study
title_short Mental disorders and intimate partner violence perpetrated by men towards women: A Swedish population-based longitudinal study
title_sort mental disorders and intimate partner violence perpetrated by men towards women: a swedish population-based longitudinal study
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6917212/
https://www.ncbi.nlm.nih.gov/pubmed/31846461
http://dx.doi.org/10.1371/journal.pmed.1002995
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