Cross-cultural and Moroccan Validation of the University of Washington Quality of Life Questionnaire for Patients With Head and Neck Cancer

Objectives: To translate the original English version of the University of Washington Quality of Life (UW-QOL) questionnaire into Moroccan Arabic version and investigate its psychometric validity and reliability for Moroccan-speaking patients with head and neck cancer. Methods: The UW-QOL was conduc...

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Bibliographic Details
Published in:Annals of otology, rhinology & laryngology rhinology & laryngology, 2016-02, Vol.125 (2), p.151-159
Main Authors: Adnane, Choaib, Oubahmane, Tarek, Adouly, Taoufik, Elhani, Loubna, Rouadi, Sami, Abada, Reda Lah, Roubal, Mohamed, Mahtar, Mohamed
Format: Article
Language:English
Subjects:
Adaptation, Psychological
Adult
Cross-Cultural Comparison
Disease Management
Female
Head and Neck Neoplasms - pathology
Head and Neck Neoplasms - psychology
Head and Neck Neoplasms - therapy
Humans
Male
Middle Aged
Morocco
Neoplasm Staging
Psychometrics - methods
Psychometrics - standards
Quality of Life
Reproducibility of Results
Surveys and Questionnaires - standards
Translational Medical Research
Translations
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Summary:Objectives: To translate the original English version of the University of Washington Quality of Life (UW-QOL) questionnaire into Moroccan Arabic version and investigate its psychometric validity and reliability for Moroccan-speaking patients with head and neck cancer. Methods: The UW-QOL was conducted in 104 patients treated for head and neck cancer in the department of head and neck surgery, Ibn Rochd university hospital, Casablanca. A control group of 57 healthy volunteers was also evaluated. The questionnaire was translated into Moroccan language. Results: Cronbach’s alpha coefficient was 0.829, suggesting good internal consistency, and test-retest reliability was excellent (intraclass correlation coefficient [ICC] = 0.987). A good correlation was observed between UW-QOL composite scores and European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire (EORTC QLQ-C30) global health status/QOL scores (P < .001). There was also low concordance between the UW-QOL scores and the Physical Component Summary and Mental Component Summary scores of the 36-Item Short-Form questionnaire (SF-36) (P = .017 and P = .014, respectively). Conclusions: The Moroccan UW-QOL questionnaire appears to be culturally appropriate and psychometrically valid.
ISSN:0003-4894
1943-572X
DOI:10.1177/0003489415601687