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J Clin Psychiatry. 2013 Oct;74(10):991-8. doi: 10.4088/JCP.13m08353.

Childhood trauma is associated with severe clinical characteristics of bipolar disorders.

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Pôle de Psychiatrie, Hôpital Henri Mondor-Albert Chenevier, Assistance Publique Hôpitaux de Paris (APHP); and Institut National de la Santé et de la Recherche Médicale (INSERM) U955.



Beyond genetic risk variants, the pathophysiology of bipolar disorders is likely to be partly determined by environmental susceptibility factors. Our study is one of the first to investigate, in a large sample of well-characterized bipolar patients, associations between clinical presentations and childhood trauma subtypes, including neglect and abuse items.


587 patients with DSM-IV-defined bipolar disorder were recruited from France and Norway between 1996-2008 and 2007-2012, respectively. History of childhood trauma was obtained using the Childhood Trauma Questionnaire. Clinical variables were assessed with the Structured Clinical Interview for DSM-IV Axis I Disorders (Norwegian sample) or the Diagnostic Interview for Genetic Studies (French sample).


Earlier age at onset of bipolar illness, suicide attempts, rapid cycling, and an increased number of depressive episodes each had significant associations (P ≤ .001) with at least 1 subtype of childhood trauma (emotional abuse, sexual abuse, and emotional neglect). Multivariate analyses investigating trauma variables together showed that both emotional and sexual abuse were independent predictors of lower age at onset (P = .002 for each) and history of suicide attempts (OR = 1.60 [95% CI, 1.07 to 2.39], P = .023; OR = 1.80 [95% CI, 1.14 to 2.86], P = .012, respectively), while sexual abuse was the strongest predictor of rapid cycling (OR = 2.04 [95% CI, 1.21 to 3.42], P = .007). Females reported overall higher childhood trauma frequency and greater associations to clinical expressions than males (P values < .05).


Our results demonstrate consistent associations between childhood trauma and more severe clinical characteristics in bipolar disorder. Further, they show the importance of including emotional abuse as well as the more frequently investigated sexual abuse when targeting clinical characteristics of bipolar disorder.

[Indexed for MEDLINE]

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