Obsessional Beliefs and Symptoms of Obsessive–Compulsive Disorder in a Clinical Sample
2008
The aim of the present study was to investigate the relationships among a broad range of obsessive–compulsive disorder (OCD) symptoms and obsessional beliefs in a clinical sample of OCD patients. Ninety-nine treatment-seeking adult OCD patients completed the Obsessive Beliefs Questionnaire and the Obsessive–Compulsive Inventory-Revised. Hierarchical regression analyses, controlling for comorbid symptoms, suggested that washing was predicted by responsibility/threat estimation beliefs. Checking/doubting was not predicted by any obsessional beliefs. Hoarding was predicted by perfectionism/certainty beliefs. Neutralizing was predicted by responsibility/threat estimation beliefs. Obsessing was predicted by importance/control of thoughts and perfectionism/certainty beliefs. Ordering was predicted by perfectionism/certainty beliefs. A principal components analysis of OCD symptom dimensions and accompanying beliefs yielded two components, accounting for 53% of the variance: one, which was labeled “Fear/Threat,” consisted of importance/control of thoughts, obsessing, responsibility/threat estimation, and washing. The second, which was labeled “Incompleteness/Not Just Right,” consisted of neutralizing, perfectionism/certainty, checking/doubting, and hoarding.
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