Abstract
Obsessive-Compulsive Inventory-Revised (OCI-R) is a self-report questionnaire that assesses the distress caused by a variety of OCD symptoms; OCI-R comprises of 18 items that are equally divided into six subscales: Checking, Washing, Obsessing, Neutralization, Ordering, and Hoarding. Research so far has shown that OCI-R is a psychometrically sound measure with excellent validity and reliability. It is also appropriate for clinical and non-clinical populations and has been translated into several languages and has been validated in diverse cultural contexts. The aim of the present study was to validate OCI-R in the Greek language and to examine its psychometric properties in a Greek non-clinical sample. Three hundred and seventy one university students participated in this study. Measures used were OCI-R, the Padua Inventory (PI), the Obsessive Beliefs Questionnaire-44 (OBQ-44), and the Depression Anxiety Stress Scale (DASS-21). Consequent analysis of collected data examined the factor structure of OCI-R and tested its convergent and divergent validity. The confirmatory factor analysis showed good fit for the model and replicated the results of other studies, meeting thus the requirements for the six-factor solution of the original scale. The Greek version of OCI-R maintained the good psychometric properties of the original English one. Internal consistency was excellent for the overall scale. Convergent and divergent validity was good and also confirmed previous similar findings.
Highlights
Obsessive-Compulsive Disorder (OCD) according to the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) is characterised by various obsessions and compulsions (APA, 2013)
Obsessive-Compulsive Inventory-Revised (OCI-R) is a self-report questionnaire that assesses the distress caused by a variety of OCD symptoms; OCI-R comprises of 18 items that are divided into six subscales: Checking, Washing, Obsessing, Neutralization, Ordering, and Hoarding
Factor Analysis Using Lisrel software we conducted a confirmatory factor analysis to test the goodness-of-fit of the hypothesized latent structure of the OCI-R (Figure 1)
Summary
Obsessive-Compulsive Disorder (OCD) according to the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) is characterised by various obsessions and compulsions (APA, 2013). OCD shows a rather great heterogeneity with diverse symptom contents (Bloch, Landeros-Weisenberger, Rosario, Pittenger & Leckman, 2008). Clinicians and researchers suggest that OCD symptoms may be classified in distinctive subtypes, such as contamination and washing/cleaning, harm obsessions and checking rituals, obsessions without overt compulsions, or hoarding subtypes (McKay, Abramowitz, Calamari, Kyrios, Radomsky et al, 2004). Most adults with OCD get effective treatment on average ten years after the onset of the first symptoms (García-Soriano, Rufer, Delsignore, & Weidt, 2014). Wahl et al (Wahl, Kordon, Kuelz, Voderholzer, Hohagen, & Zurowski, 2010) found that in outpatient clinics over 70% of OCD patients remain unrecognised and untreated by consultants. OCD symptoms seem to be important factors that underlie the need for early detection and treatment intervention (Belloch, del Valle, Morillo, Carrió, & Cabedo, 2008)
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