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Confirmatory Factor Analyses of the Portuguese Version of the Maudsley Obsessional-compulsive Inventory

Published online by Cambridge University Press:  23 March 2020

J. Silva Ribeiro ,
A.T. Pereira ,
M.J. Martins ,
V. Nogueira ,
M.J. Soares ,
A.P. Amaral  and
A. Macedo
J. Silva Ribeiro
Affiliation:
Centro Hospitalar e Universitário de Coimbra, Centro de Responsabilidade Integrado de Psiquiatria e Saúde Mental, Coimbra, Portugal
A.T. Pereira
Affiliation:
Faculty of Medicine- University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
M.J. Martins
Affiliation:
Faculty of Medicine- University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
V. Nogueira
Affiliation:
Faculty of Medicine- University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
M.J. Soares
Affiliation:
Faculty of Medicine- University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
A.P. Amaral
Affiliation:
Faculty of Medicine- University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal Institute Polytechnic of Coimbra, ESTESC-Coimbra Health School, Coimbra, Portugal
A. Macedo
Affiliation:
Centro Hospitalar e Universitário de Coimbra, Centro de Responsabilidade Integrado de Psiquiatria e Saúde Mental, Coimbra, Portugal Faculty of Medicine- University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal

Abstract

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Introduction

The Maudsley obsessional-compulsive inventory (MOCI) is a widely used self-report measure of obsessive-compulsive symptoms in clinical and non-clinical populations, both in research and clinical settings. Nogueira et al. confirmed in 2011 that the MOCI Portuguese version has good psychometric properties, having a factorial structure that is in accordance with those reported by other groups.

Aims

Based on the previous results of exploratory factor analysis with a Portuguese students sample, the present study aimed to perform a confirmatory factor analyses (using Mplus software) to verify if the three dimensions’ structure fitted the data.

Methods

The sample comprised 234 students on their first three years of college education (78.2% female), between 18–26 years old (M = 20.55; SD = 1.66). Participants filled the Portuguese version of the MOCI.

Results

Our results showed that the MOCI Portuguese version with original 3-factor structure has a good fit (χ2(227) = 386.987, P < .05; RMSEA = 0.053, 90%CI = 0.044–0.062; CFI = 0.928; TLI = 0.920; WRMR = 1.089). Good reliability was found for all subscales (Cronbach alpha < .80).

Conclusions

The MOCI Portuguese version reliably and validly assesses three OC symptom dimensions in young adults. Further research is needed to confirm this structure in Portuguese clinical samples.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
Oral communications: Classification of mental disorders; comorbidity/dual pathologies; psychopathology; psychopharmacology and pharmacoeconomics and sleep disorders & stress
Information
European Psychiatry , Volume 41 , Issue S1: Abstract of the 25th European Congress of Psychiatry , April 2017 , pp. S80 - S81
Copyright
Copyright © European Psychiatric Association 2017
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