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Brazilian Journal of Psychiatry

Print version ISSN 1516-4446On-line version ISSN 1809-452X

Abstract

SANCHEZ-GUARNIDO, Antonio J.; PINO-OSUNA, Maria J.  and  HERRUZO-CABRERA, Francisco J.. Personality prototype as a risk factor for eating disorders. Rev. Bras. Psiquiatr. [online]. 2015, vol.37, n.4, pp.325-330.  Epub Oct 30, 2015. ISSN 1809-452X.  http://dx.doi.org/10.1590/1516-4446-2014-1583.

Objective:

To establish whether the risk of suffering from an eating disorder (ED) is associated with the high-functioning, undercontrolled, or overcontrolled personality prototype groups.

Method:

The Revised NEO Personality Inventory (NEO-PI-R) and the Eating Disorder Inventory 2 (EDI-2) were administered to 69 patients diagnosed as suffering from EDs (cases) and 89 people free of any ED symptoms (control group). A cluster analysis was carried out to divide the participants into three groups based on their scores in the Big Five personality dimensions. A logistic regression model was then created.

Results:

Participants in the undercontrolled group had a risk of suffering from an ED 6.517 times higher than those in the high-functioning group (p = 0.019; odds ratio [OR] = 6.517), while those in the overcontrolled subgroup had a risk of ED 15.972 times higher than those in the high-functioning group.

Conclusions:

Two personality subtypes were identified in which the risk of EDs was six times higher (the undercontrolled group) and almost 16 times higher (the overcontrolled group). Prevention and treatment programs for ED could benefit from focusing on the abovementioned personality profiles.

Keywords : Personality disorders; eating disorders; diagnosis and classification; tests/interviews; psychometric properties.

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