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Behav Res Ther. 2005 Jul;43(7):897-921.

Hoarding and its relation to obsessive-compulsive disorder.

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Department of Psychology, University of Iowa, E11 Seashore Hall, Iowa City, IA 52242-1407, USA.


Although hoarding is observed in some patients with obsessive-compulsive disorder (OCD), it has not been shown to share a specific relation with OCD. Across two studies, we found that (a) whereas the classic OCD symptoms of checking, rituals, and contamination intercorrelated consistently strongly with one another, hoarding related only moderately to both these OCD symptoms and to depression; (b) OCD patients were distinguished from both other patients and non-patients by classic OCD symptoms, but not by hoarding; and (c) whereas OCD symptoms showed consistent relations with Negative Affect, hoarding largely was uncorrelated with this dimension. These results do not support a specific OCD-hoarding relation but rather call into question the trend of considering it a specific symptom of OCD.

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