Anxiety and mood (대한불안의학회지)

Korean Academy of Anxiety Disorders (대한불안의학회)
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Psychometric Properties of the Korean Version of 12-Item Obsessive-Compulsive Inventory in Accordance With Obsessive-Compulsive Symptom Dimensions in Individuals With Obsessive-Compulsive Disorder

강박장애 환자에서 강박증상차원에 부합하는 12문항 강박증상목록의 심리측정적 특성

  • Ho Seok Seo (Department of Psychiatry, Kyungpook National University Hospital) ;
  • Mina Choi (Institute of Biomedical Engineering Research, Kyungpook National University) ;
  • Seung Jae Lee (Department of Psychiatry, Kyungpook National University Hospital)
  • 서호석 (경북대학교병원 정신건강의학과) ;
  • 최미나 (경북대학교 의공학연구실) ;
  • 이승재 (경북대학교병원 정신건강의학과)
  • Received : 2023.01.11
  • Accepted : 2023.04.07
  • Published : 2023.04.30
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Abstract

Objective : The 18-item Obsessive-Compulsive Inventory-Revised (OCI-R) is widely employed to assess symptoms of obsessive-compulsive disorder (OCD). However, this instrument's factor structure does not align with contemporary dimensional models of OCD. Therefore, the objective of this study was to examine psychometric properties of the 12-item Korean OCI (OCI-12) on four obsessive-compulsive symptom dimensions, in patients with OCD. Methods : A total of 157 patients with OCD and 51 healthy controls completed psychological measures, including the OCI-R, Dimensional Obsessive-Compulsive Scale (DOCS), and scales evaluating anxiety and depressive symptoms. Pychometric characteristics of the OCI-12 with three neutralizing and three hoarding items eliminated from the OCI-R, were analyzed. Results : All OCI-12 items registered excellent internal consistency at 0.83. Confirmatory factor analysis revealed strong association between individual items and their proposed latent factors (i.e., subscales). Convergent validity was appropriate. A high correlation was particularly observed for the DOCS score (r=0.71, p<0 .001). Moreover, the OCI-12 was as sensitive as the OCI-R for determining effects of empirically supported treatment for OCD. Conclusion : The OCI-12 is a 12-item measure that adheres to the prevailing 4-factor model of OCD dimensions. Like OCI-R, it possesses good to excellent psychometric properties, including reliability, validity, and sensitivity to treatment.

Keywords

Acknowledgement

이 논문은 2021년도 정부의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(2021R1A2C2004720).

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