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Keywords:

  • obsessive–compulsive disorder;
  • obsessive–compulsive spectrum;
  • comorbidity;
  • eating disorders;
  • anorexia nervosa;
  • bulimia nervosa;
  • binge-eating disorder

Abstract

Objective:

The objective is to evaluate the prevalence and associated clinical characteristics of eating disorders (ED) in patients with obsessive–compulsive disorder (OCD).

Method:

This is a cross-sectional study comparing 815 patients with OCD. Participants were assessed with structured interviews and scales: SCID-I, Y-BOCS, Dimensional Y-BOCS, BABS, Beck Depression and Anxiety Inventories.

Results:

Ninety-two patients (11.3%) presented the following EDs: binge-eating disorders [= 59 (7.2%)], bulimia nervosa [= 16 (2.0%)], or anorexia nervosa [= 17 (2.1%)]. Compared to OCD patients without ED (OCD-Non-ED), OCD-ED patients were more likely to be women with previous psychiatric treatment. Mean total scores in Y-BOCS, Dimensional Y-BOCS, and BABS were similar within groups. However, OCD-ED patients showed higher lifetime prevalence of comorbid conditions, higher anxiety and depression scores, and higher frequency of suicide attempts than did the OCD-Non-ED group. Primarily diagnosed OCD patients with comorbid ED may be associated with higher clinical severity.

Discussion:

Future longitudinal studies should investigate dimensional correlations between OCD and ED. © 2009 by Wiley Periodicals, Inc. Int J Eat Disord 2010