Foa2002 - The Obsessive-Compulsive Inventory - Development and validation of a short version


Example citation

The Obsessive-Compulsive Inventory-Revised (OCI-R; [@foa2002]) that contains 18 items assessing various domains of OCD symptoms.

Key takeaways

  • 215 patients with OCD, 243 with other anxiety disorders, 677 healthy controls
  • Coefficient alpha total score 0.81, test-retest reliability total score 0.82 (two weeks apart)
  • Convergent validity with YBOCS r = 0.53 (moderately related)
  • ROC-analyses for OCD diagnosis. AUC for OCD versus healthy controls = 0.70 , 95% CI 0.66 to 0.74
  • AUC for OCD versus other anxiety disorders = 0.82 (0.78 to 0.85)
  • Optimal cut-off versus healthy controls = 21, sens 65.5% spec 63.9%
  • Optimal cut-off versus other anxiety disorders = 18, sens 74% spec 75.2%