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  • Title: Cross-cultural adaptation and validation of the Arabic version of McGill quality of life: revised questionnaire in the patients with cancer.
    Author: Omar MT, Al-Malki MH, Bindawas SM, Alnahdi AH, Aljehan GH, M Al-Omari BN, Alhammad SA.
    Journal: Disabil Rehabil; 2024 May; 46(9):1878-1887. PubMed ID: 37144328.
    Abstract:
    PURPOSE: The aims of this study were to translate and culturally adapt the McGill Quality of Life Questionnaire-revised (MQOL-R) to modern standard Arabic and to examine its reliability, construct, and discriminative validity in Arab patients with cancer. MATERIALS AND METHODS: Translation and cultural adaptation of the English MQOL-R to modern standard Arabic were performed according to international guidelines. For psychometric evaluation, 125 participants with cancer were selected and completed the MQOL-R along with Global Health Status/QoL and functional subscales of European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30), and Eastern Cooperative Oncology Group performance status rating (ECOG-PS). The MQOL-R was tested for internal consistency, test-retest reliability, and construct validity. RESULTS: The Arabic MQOL-R questionnaire had adequate internal consistency with Cronbach's alphas between 0.75 and 0.91. Test-retest reliability was very strong (ICC2.1 =0.91 to 0.96, p < 0.001). As hypothesized, the Arabic MQOL-R subscales demonstrated moderate to excellent correlation with functional subscales of EORTC QLQ-C30, and moderate to good correlation with Global health status/QoL. CONCLUSION: The Arabic MQOL-R Questionnaire has adequate psychometric properties. Hence, it can be utilized in rehabilitation settings and research to measure health-related quality of life in the Arabic-speaking cancer population. The Arabic version of McGill Quality of Life- Revised Questionnaire (MQOL-R) has been successfully translated, adapted, and validated into Modern Standard Arabic language.The Arabic MQOL-R is reliable and valid for measuring health-related quality of life in the Arabic-speaking cancer population.The Arabic MQOL-R can be used for clinical, rehabilitation and research purposes to evaluate the health-related quality of life in the Arabic-speaking cancer population.
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