Personality disorders in a total population twin cohort with eating disorders

Comprehensive Psychiatry
K IlkjaerC Gillberg

Abstract

Findings regarding the occurrence of personality disorders (PDs) in eating disorders (EDs) have been contradictory. Most previous studies have been clinic-based. The aims of the current study were to assess the prevalence of PD in ED in a population-based twin group and to establish the distribution of PD in three subgroups of ED. A two-step screening and diagnostic study of ED was performed in a large Danish twin population. Axis I and axis II DSM-III-R and DSM-IV ED diagnoses were made on the basis of results obtained at clinical investigations and interviews. Forty-nine percent of the participants with ED had at least one PD, compared to 26% in those with no ED (P <.001). Cluster C PD was the most common type of PD in all subgroups of ED, and cluster B PD was found only in participants with bulimic symptoms. Genetic factors appeared to contribute significantly to the variance of cluster C PD in ED, which was evaluated as a possibly important background factor in ED.

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Citations

Apr 30, 2008·Eating Disorders·Edward J Cumella, Zina Kally
Jan 15, 2014·Eating Behaviors·Astrid von Lojewski, Suzanne Abraham
Jun 7, 2011·Comprehensive Psychiatry·Mounir H Fawzi, Mohab M Fawzi
Apr 17, 2012·European Eating Disorders Review : the Journal of the Eating Disorders Association·Anni ViinamäkiRiittakerttu Kaltiala-Heino
Aug 29, 2013·The International Journal of Eating Disorders·Deborah L ReasGeir Pedersen

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