Measuring Change in OCD: Sensitivity of the Obsessive-Compulsive Inventory-Revised

Authors: Abramowitz, Jonathan¹; Tolin, David²; Diefenbach, Gretchen²

Source: Journal of Psychopathology and Behavioral Assessment, Volume 27, Number 4, December 2005 , pp. 317-324(8)

Publisher: Springer

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Abstract:

This study examined the sensitivity to change and specificity of response of the Obsessive-Compulsive Inventory-Revised (OCI-R), an 18-item self-report measure of obsessive-compulsive disorder (OCD) severity. Seventy-seven OCD patients received cognitive-behavioral therapy incorporating exposure and response prevention (ERP). Change from pre- to posttest on the OCI-R was compared to changes as assessed by the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) and other measures of OCD and related symptoms. Results suggest the OCI-R is sensitive to treatment effects and that pre- to posttest change on this instrument reflects improvement in OCD and related symptoms of depression, anxiety, and global functioning. The OCI-R was not sensitive to improvement in patients’ insight into the senselessness of their OCD symptoms. The OCI-R appears suitable for use in clinical settings and naturalistic outcome studies where time and resources do not permit administration of lengthy symptom interviews.

Keywords: obsessive-compulsive disorder; obsessive-compulsive Inventory; treatment response; cognitive-behavioral therapy

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s10862-005-2411-y

Affiliations: 1: Department of Psychiatry and Psychology, Mayo Clinic, 200 First Street SW, Rochester, Minnesota, 55905, Email: abramowitz.jonathan@mayo.edu 2: The Institute of Living, Hartford, Connecticut,

Publication date: 2005-12-01