Hoarding in obsessive-compulsive disorder: results from the OCD Collaborative Genetics Study.

Mark McIntosh,'s picture
PubMed URL: 
http://www.ncbi.nlm.nih.gov/pubmed/16824483
Author: 
Nestadt G
Author List: 
Samuels JF
Bienvenu OJ 3rd
Pinto A
Fyer AJ
McCracken JT
Rauch SL
Murphy DL
Grados MA
Greenberg BD
Knowles JA
Piacentini J
Cannistraro PA
Cullen B
Riddle MA
Rasmussen SA
Pauls DL
Willour VL
Shugart YY
Liang KY
Hoehn-Saric R
Nestadt G
Journal: 
Behav Res Ther
PubMed ID: 
16824483
Pagination: 
673-86
Volume: 
45
Issue: 
4
Abstract: 
Hoarding behavior occurs frequently in obsessive-compulsive disorder (OCD). Results from previous studies suggest that individuals with OCD who have hoarding symptoms are clinically different than non-hoarders and may represent a distinct clinical group. In the present study, we compared 235 hoarding to 389 non-hoarding participants, all of whom had OCD, collected in the course of the OCD Collaborative Genetics Study. We found that, compared to non-hoarding individuals, hoarders were more likely to have symmetry obsessions and repeating, counting, and ordering compulsions; poorer insight; more severe illness; difficulty initiating or completing tasks; and indecision. Hoarders had a greater prevalence of social phobia and generalized anxiety disorder. Hoarders also had a greater prevalence of obsessive-compulsive and dependent personality disorders. Five personality traits were independently associated with hoarding: miserliness, preoccupation with details, difficulty making decisions, odd behavior or appearance, and magical thinking. Hoarding and indecision were more prevalent in the relatives of hoarding than of non-hoarding probands. Hoarding in relatives was associated with indecision in probands, independently of proband hoarding status. The findings suggest that hoarding behavior may help differentiate a distinct clinical subgroup of people with OCD and may aggregate in some OCD families. Indecision may be a risk factor for hoarding in these families.
Published Date: 
April, 2007

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