The clinical characteristics of obsessive compulsive disorder associated with high levels of schizotypy

Vlasios Brakoulias*, Vladan Starcevic, David Berle, Denise Milicevic, Anthony Hannan, Kirupamani Viswasam, Kristy Mann

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Scopus)

    Abstract

    Objectives: This study aims to examine the characteristics of obsessive compulsive disorder (OCD) associated with high levels of schizotypy. Methods: Using the Schizotypal Personality Questionnaire (SPQ) with 177 individuals with OCD, patients with OCD and high levels of schizotypy (OCD-HS) were compared to patients with OCD and low levels of schizotypy (OCD-LS) on a range of clinical characteristics. Self-report and clinician-administered instruments were used. Results were adjusted for the severity of OCD symptoms, age, marital status and comorbidity using logistic regression. Results: Patients with OCD-HS were younger and less likely to have been married. OCD-HS was associated with higher rates of symmetry/order obsessions, ordering/arranging compulsions, checking compulsions, co-occurring major depression, post-traumatic stress disorder, substance use disorders and greater general psychopathology. Previously reported associations, such as higher total scores on the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) were not significant when adjusted for differences in demographic variables and comorbidity. Conclusions: Patients with OCD-HS were associated with specific OCD symptoms and comorbid conditions and may warrant a specific treatment approach.

    Original languageEnglish
    Pages (from-to)852-860
    Number of pages9
    JournalAustralian and New Zealand Journal of Psychiatry
    Volume48
    Issue number9
    DOIs
    Publication statusPublished - Sep 2014

    Keywords

    • diagnosis
    • Obsessive compulsive disorder
    • schizotypal personality disorder

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