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Samuels, Jack F.; Bienvenu, O. Joseph; Pinto, Anthony; Fyer, Abby J.; McCracken, James T.; Rauch, Scott L.; Murphy, Dennis L.; Grados, Marco A.; Greenberg, Benjamin D.; Knowles, James A.; Piacentini, John; Cannistraro, Paul A.; Cullen, Bernadette; Riddle, Mark A.; Rasmussen, Steven A.; Pauls, David L.; Willour, Virginia L.; Shugart, Yin Y.; Liang, Kung-yee; Hoehn-Saric, Rudolf; Nestadt, Gerald
Behaviour research and therapy, 04/2007, Volume: 45, Issue: 4Journal Article
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.
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