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Validation of a French version of the Vancouver Obsessional Compulsive Inventory–Mental Contamination scale (VOCI-MC) and the Contamination Thought–Action Fusion scale (CTAF) in non-clinical and clinical samples

Published online by Cambridge University Press:  27 April 2023

Cindy Lebrun Open the ORCID record for Cindy Lebrun [Opens in a new window] ,
Alexandre De Connor ,
Charline Dellouve ,
Caroline Novara Open the ORCID record for Caroline Novara [Opens in a new window] ,
Valentin Adloff ,
Delphine Capdevielle ,
Catherine Bortolon  and
Stéphane Raffard
Cindy Lebrun*
Affiliation:
Université Paul Valéry Montpellier 3, Epsylon EA 4556, F34000, Montpellier, France Clinique Rhône Durance, groupe Elsan, 84000 Avignon, France
Alexandre De Connor
Affiliation:
Université Paul Valéry Montpellier 3, Epsylon EA 4556, F34000, Montpellier, France University Department of Adult Psychiatry, CHU Montpellier, University Montpellier 1, Hôpital la Colombière, France
Charline Dellouve
Affiliation:
University Department of Adult Psychiatry, CHU Montpellier, University Montpellier 1, Hôpital la Colombière, France
Caroline Novara
Affiliation:
Clinique RECH, groupe Ramsay Gds, 34000 Montpellier, France
Valentin Adloff
Affiliation:
Université Paul Valéry Montpellier 3, Epsylon EA 4556, F34000, Montpellier, France
Delphine Capdevielle
Affiliation:
University Department of Adult Psychiatry, CHU Montpellier, University Montpellier 1, Hôpital la Colombière, France
Catherine Bortolon
Affiliation:
Laboratoire Inter-universitaire de Psychologie: Personnalité, Cognition et Changement Social – Université Grenoble Alpes, Grenoble, France C3R – Réhabilitation psychosociale et remédiation cognitive, Centre Hospitalier Alpes Isère, Grenoble, France
Stéphane Raffard
Affiliation:
Université Paul Valéry Montpellier 3, Epsylon EA 4556, F34000, Montpellier, France University Department of Adult Psychiatry, CHU Montpellier, University Montpellier 1, Hôpital la Colombière, France
*
Corresponding author. Cindy Lebrun; Email: cindylebrun@yahoo.com
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Abstract

The Vancouver Obsessional Compulsive Inventory–Mental Contamination scale (VOCI-MC) and the Contamination Thought–Action Fusion scale (CTAF) are two self-report instruments that assess symptoms of mental contamination and fusion between thoughts, and feelings and behaviours associated with contamination, respectively. The aim of this study was to investigate the psychometric properties of the French version of these two scales in non-clinical and clinical samples. We included 79 participants diagnosed with obsessive-compulsive disorder (OCD), 31 diagnosed with anxiety disorders, who were recruited from the University Department of Adult Psychiatry in Montpellier, and 320 non-clinical participants recruited from the general population. Psychometric properties of the French VOCI-MC and CTAF were investigated. Results showed that the French versions of the VOCI-MC and the CTAF had high internal consistency, good convergent and divergent validity, as well as good temporal stability. Exploratory and confirmatory factor analyses showed a one-factor structure for the two scales in both non-clinical and OCD samples. Adequate discriminative validity was established by comparing OCD patients with contamination-related symptoms and OCD patients who did not report contamination-related symptoms. The French VOCI-MC and CTAF are valid and appropriate tools for measuring mental contamination in both clinical and research contexts.

Keywords

CTAFMeasurementMental healthOCDQuestionnairesVOCI-MC
Type
Main
Information
Behavioural and Cognitive Psychotherapy , Volume 51 , Issue 4 , July 2023 , pp. 349 - 361
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of British Association for Behavioural and Cognitive Psychotherapies

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