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Cross-cultural translation, adaptation, and validation of the stroke- specific quality of life scale into Amharic language

Article scientifique 2022 Anglais

Résumé

Abstract Background: The stroke-specific quality of life 2.0 (SSQOL 2.0) scale is a valid, reliable instrument which has been widely used as a patients reported outcome measure among stroke survivors However, the SSQOL scale has not been validated and used in any Ethiopian language. This study aimed to translate, adapt, and test the psychometric properties of the SSQOL scale 2.0 in Amharic, the official language of the federal democratic republic of Ethiopia among Amharic speaking post-stroke Ethiopian people. Methods: The adapted English version of the SSQOL 2.0 scale was translated into Amharic and then back-translated to English. An expert committee translated and created a final Amharic version of SSQOL (SSQOL-AM) scale. Pre-field testing (pilot & cognitive debriefing) was conducted with 15 post-stroke subjects. The SSQOL-Am was administered to 245 stroke survivors from four referral hospitals to determine the psychometric properties. Cronbach’s alpha and Intra-class correlation coefficient were used to calculate the internal consistency and test-retest reliability, spearman’s correlation for the convergent construct validity of the SSQOL-Am scale. The Standard Error of Measurement (SEM), Minimum Detectable Change (MDC), Bland Altman Limit of Agreement (LOA), and Exploratory Factor Analysis (EFA) were also determined.Results: The SSQOL-Am demonstrated excellent test-retest reliability (ICC = 0.93), internal consistency (Cronbach’s alpha = 0.96), SEM 0.857, MDC 1.94, and good LOA. As postulated, the mobility domain of the tool demonstrated a significantly strong correlation with the physical function domain of the SF-36 (rho = 0.70, p < 0.001).Conclusions: The SSQOL-Am is a valid and reliable outcome measure. The tool can be used in both clinical practice and research purposes with post-stroke Ethiopian survivors.

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Wayessa, D., Chala, M., Demissie, S., Abebe, A., Janakiraman, B., Deme, S., Gashaw, M. (2022). Cross-cultural translation, adaptation, and validation of the stroke- specific quality of life scale into Amharic language. https://doi.org/10.21203/rs.3.rs-1681816/v1

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Auteur(s)

Dechasa Imiru Wayessa Mulugeta Bayisa Chala Solomon Fasika Demissie Abey Bekele Abebe Balamurugan Janakiraman Sisay Deme Moges Gashaw

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