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Nelson, Janna; Klumparendt, Anne; Doebler, Philipp; Ehring, Thomas (2017): Childhood maltreatment and characteristics of adult depression: meta-analysis. In: British Journal of Psychiatry, Vol. 210, No. 2: pp. 96-104
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Abstract

Background Childhood maltreatment has been discussed as a risk factor for the development and maintenance of depression. Aims To examine the relationship between childhood maltreatment and adult depression with regard to depression incidence, severity, age at -onset, course of illness and treatment response. Method We conducted meta-analyses of original articles reporting an association between childhood maltreatment and depression outcomes in adult populations. Results In total, 184 studies met inclusion criteria. Nearly half of patients with depression reported a history of childhood maltreatment. Maltreated individuals were 2.66 (95% CI 2.38-2.98) to 3.73 (95% CI 2.88-4.83) times more likely to develop depression in adulthood, had an earlier depression onset and were twice as likely to develop chronic or treatment-resistant depression. Depression severity was most prominently linked to childhood emotional maltreatment. Conclusions Childhood maltreatment, especially emotional abuse and neglect, represents a risk factor for severe, early-onset, treatment-resistant depression with a chronic course.