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Exposure to childhood bullying and mental health

October 04, 2017

To what degree does childhood exposure to bullying contribute to mental health difficulties and do the direct contributions of exposure to bullying persist over time?

A new article published by JAMA Psychiatry examined the question.

The study by Jean-Baptiste Pingault, Ph.D., of University College London, England, and coauthors included 11,108 twins who were an average age of 11 when they were first assessed and about 16 at the last assessment. Mental health assessments at those ages included anxiety, depression, hyperactivity and impulsivity, inattention, conduct problems and psychotic-like experiences, such as paranoid thoughts or cognitive disorganization. Exposure to bullying was measured using a self-reported peer-victimization scale.

The "twin differences" design of the study used one twin as a control for the other, thereby accounting for shared environmental and genetic sources of other potential mitigating factors.

The study suggests childhood exposure to bullying contributes to multiple mental health issues, particularly anxiety, depression, paranoid thoughts and cognitive disorganization. This dissipated or was reduced after five years.

Limitations of the study include that a twin differences study design does not account for non-shared environmental mitigating factors, which might exaggerate the contribution of childhood exposure to bullying.

"Stringent evidence of the direct detrimental contribution of exposure to bullying in childhood to mental health is provided. Findings also suggest that childhood exposure to bullying may partly be viewed as a symptom of preexisting vulnerabilities. Finally, the dissipation of effects over time for many outcomes highlights the potential for resilience in children who were bullied," the article concludes.
-end-
For more details and to read the full study, please visit the For The Media website.

The JAMA Network Journals

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