Abstract
BackgroundOsteoarthritis (OA) is a debilitating multifactorial degenerative rheumatic disease affecting millions of people around the globe. The osteoarthritis quality of life scale (OAQoL), originally produced in the English language, is an important tool used to assess the overall impact of OA and its treatment on the patient’s quality of life.PurposeThe purpose of the study was to translate and validate the OAQoL in the Arabic language in order to use it on the Saudi population.MethodologyA bilingual panel comprising four healthcare professionals and one external certified medical translator translated the English version of the OAQoL to the Arabic language. A back translation was subsequently performed by two English-speaking translators and any differences were resolved by conferring with the original panel. The qualitative research was performed through cognitive debriefing interviews (CDIs) with 59 native Arabic patients who had clinically and radiologically confirmed osteoarthritis of any joint. The internal consistency of the 22 items was derived by leveraging the Cronbach’s Alpha coefficient.Results59 participants were included in the study, and more than half (52.5%) of them were men. The response rate was 100% and the mean time taken to answer the questionnaire was 10.5 min. The average Intraclass Correlation Coefficient (ICC) and Cronbach’s Alpha were determined to be 0.93 each, indicating that all the items in the OAQoL were significantly interrelated.ConclusionThe translated Arabic version of the OAQoL questionnaire used in this study is a reliable and consistent tool that showed good comprehensibility and internal consistency.
Highlights
Osteoarthritis (OA) is a debilitating multifactorial degenerative rheumatic disease affecting millions of people around the globe
The translated Arabic version of the osteoarthritis quality of life scale (OAQoL) questionnaire used in this study is a reliable and consistent tool that showed good comprehensibility and internal consistency
The osteoarthritis quality of life scale (OAQoL), the 36-item short form survey (SF-36), the EuroQoL instrument (EQ-5D), the knee injury and osteoarthritis outcome score (KOOS), the World Health Organization quality of life (WHOQOL-100), the Japanese knee osteoarthritis measure (JKOM), and the arthritis impact measurement scales (AIMS) are used to assess the quality of life of patients suffering from OA [3, 9,10,11,12,13,14]
Summary
Osteoarthritis (OA) is a debilitating multifactorial degenerative rheumatic disease affecting millions of people around the globe. In order to assess the quality of life the practitioner needs to ask the patients questions about the physical, mental, and psychosocial aspects of the disease [8]. The OAQoL assessment tool helps assess the needs of patients with OA in terms of cognition, esteem, fulfilment, safety, security, belongingness, love, and physical strength [15]. It has good psychometric qualities and is validated for the assessment of OA involving the upper and lower limbs, as well as their combination [3]. Due to its excellent internal consistency and construct validity the English version of the OAQoL has been translated and validated in several languages in order to assess the needbased QoL among patients suffering from OA in various regions of the world [3]
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