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  • Title: Disgust propensity in obsessive-compulsive disorder: cross-sectional and prospective relationships.
    Author: Berle D, Starcevic V, Brakoulias V, Sammut P, Milicevic D, Hannan A, Moses K.
    Journal: J Behav Ther Exp Psychiatry; 2012 Mar; 43(1):656-63. PubMed ID: 21946297.
    Abstract:
    BACKGROUND AND OBJECTIVES: Findings from non-clinical samples suggest that disgust propensity is associated with contamination concerns in obsessive-compulsive disorder (OCD). However, studies of clinical samples have yielded conflicting results. We investigated the relationship between disgust propensity and OCD symptoms in a clinical sample and examined whether changes in disgust propensity are associated with changes in OCD symptoms. METHODS: One hundred and nine OCD participants completed measures of disgust propensity and OCD symptoms. Sixty of these underwent a six-month follow-up assessment. RESULTS: At the baseline assessment, disgust propensity was associated with all OCD symptom dimensions except hoarding. Changes in overall disgust propensity between baseline and the six-month follow-up assessment were associated with changes in overall self-reported OCD symptoms but not with changes in contamination-based OCD symptoms or changes in interviewer-assessed OCD symptoms. LIMITATIONS: There was substantial participant attrition between the baseline and follow-up assessments. CONCLUSIONS: Our study is the first to investigate prospective relationships between disgust propensity and OCD across a six-month interval. Our findings suggest that if there is an association between changes in disgust propensity and changes in contamination-based OCD symptoms its magnitude is likely to be small.
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