The Yale-Brown obsessive-compulsive scale: A reliability and validity study

Suck Won Kim, Maurice W. Dysken, Michael Kuskowski

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

Twenty-eight nondepressed patients with DSM-III obsessive-compulsive disorder completed both the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) and the Leyton Obsessional Inventory (LOI) once a week for a total of three times change. In general, the correlations between the Y-BOCS change scores and the Global Ratings were significantly greater than between the LOI and the Global scores, the Y-BOCS was found to be more reliable than the LOI. Correlations were also obtained for the baseline period between the Y-BOCS and Leyton scores. At the end of a 14-week trial of clomipramine, the Y-BOCS and the LOI were again administered along with a Physician and Patient Global Rating of change. In general, the correlations between the Y-BOCS change scores and the Global Ratings were significantly greater than between the LOI and the Global Ratings. This last finding suggests that the Y-BOCS is a better measure of clinical change than is the LOI.

Original languageEnglish (US)
Pages (from-to)99-106
Number of pages8
JournalPsychiatry Research
Volume34
Issue number1
DOIs
StatePublished - Oct 1990

Keywords

  • Leyton Obsessional Inventory
  • Yale-Brown Obsessive-Compulsive Scale
  • obsessive-compulsive disorder
  • reliability
  • validity

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