Psychometric performance of the Oviedo Sleep Questionnaire in patients with severe mental disorder [Rendimiento psicométrico del Cuestionario Oviedo de Sueño en pacientes con trastorno mental grave]

  1. Paz García-Portilla, M. 1
  2. Sáiz, P.A. 1
  3. Díaz-Mesa, E.M. 1
  4. Fonseca, E. 1
  5. Arrojo, M. 2
  6. Sierra, P. 6
  7. Sarramea, F. 4
  8. Sánchez, E. 5
  9. Goikole, J.M. 3
  10. Balanzá, V. 3
  11. Benabarre, A. 3
  12. Bobes, J. 1
  1. 1 Universidad de Oviedo
    info

    Universidad de Oviedo

    Oviedo, España

    ROR https://ror.org/006gksa02

  2. 2 Complexo Hospitalario Universitario da Coruña
    info

    Complexo Hospitalario Universitario da Coruña

    La Coruña, España

    ROR https://ror.org/044knj408

  3. 3 Centro de Investigacion Biomedica en Red de Salud Mental
    info

    Centro de Investigacion Biomedica en Red de Salud Mental

    Madrid, España

    ROR https://ror.org/009byq155

  4. 4 Distrito Sanitario Jaén Norte, Servicio Andaluz de Salud, Jaén, Spain
  5. 5 Hospital General Universitario Gregorio Marañón
    info

    Hospital General Universitario Gregorio Marañón

    Madrid, España

    ROR https://ror.org/0111es613

  6. 6 Hospital Universitario La Fe
    info

    Hospital Universitario La Fe

    Valencia, España

    ROR https://ror.org/01ar2v535

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Journal:
Revista de Psiquiatría y Salud Mental

ISSN: 1888-9891

Year of publication: 2009

Volume: 2

Issue: 4

Pages: 169-177

Type: Article

DOI: 10.1016/S1888-9891(09)73235-5 SCOPUS: 2-s2.0-75449110262 GOOGLE SCHOLAR lock_openOpen access editor

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Abstract

Introduction: The prevalence of sleep disturbances among patients with severe mental disorder ranges from 30 to 80%. Since the impact of these disturbances on patients' lives is substantial, there is a need for their evaluation and management. The aim of this study was to examine the reliability and validity of the Oviedo Sleep Questionnaire (OSQ) in patients with severe mental disorder. Material and methods: We performed an observational, prospective (3-month), multicenter study. A total of 259 individuals (184 patients with severe mental disorder and 75 controls) were included. Evaluation: the OSQ, the sleep items of the Bech- Rafaelsen's Scales for Depression (MES item 3) and Mania (MAS item 5), and the Clinical Global Impression Scales for Severity of Mental Disorder (CGI-SMD) and Sleep Disorder (CGI-SSD). Results: a) Factorial structure: two factors accounted for 57.65% of the variance; factor 1 (insomnia) accounted for 44.65% and factor 2 (hypersomnia) for 13%; b) internal consistency: total OSQ = 0.90, insomnia scale = 0.91, hypersomnia scale = 0.88; c) testretest reliability = 0.87; d) convergent validity: Pearson's correlation coefficients were 0.632 with item 3 of the MES, 0.619 with item 5 of the MAS, and 0.630 with the CGI-SS (p < 0.001); e) discriminant validity: the OSQ was able to differentiate between patients and controls (p = 0.018), and among distinct degrees of mental disorder severity (CGISMD) (p < 0.001) and sleep disorder severity (CGI-SSD) (p < 0.001); f) responsiveness: the OSQ, like the CGI-SSD (p = 0.004), identified a significant decrease in the insomnia severity score after 3 months (p = 0.005). Conclusions: The OSQ is a valid and reliable method for measuring the sleep/wake cycle in patients with severe mental disorder. © 2009 Sociedad Española de Psiquiatría and Sociedad Española de Psiquiatría Biológica. Published by Elsevier España, S.L. All rights reserved.