Translation, validity and reliability of the British Sign Language BSL version of the EQ-5D-5LReport as inadecuate

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Quality of Life Research

, Volume 25, Issue 7, pp 1825–1834

First Online: 18 February 2016Accepted: 22 January 2016DOI: 10.1007-s11136-016-1235-4

Cite this article as: Rogers, K.D., Pilling, M., Davies, L. et al. Qual Life Res 2016 25: 1825. doi:10.1007-s11136-016-1235-4


PurposeTo translate the health questionnaire EuroQol EQ-5D-5L into British Sign Language BSL, to test its reliability with the signing Deaf population of BSL users in the UK and to validate its psychometric properties.

MethodsThe EQ-5D-5L BSL was developed following the international standard for translation required by EuroQol, with additional agreed features appropriate to a visual language. Data collection used an online platform to view the signed BSL version of the tests. The psychometric testing included content validity, assessed by interviewing a small sample of Deaf people. Reliability was tested by internal consistency of the items and test–retest, and convergent validity was assessed by determining how well EQ-5D-5L BSL correlates with CORE-10 BSL and CORE-6D BSL.

ResultsThe psychometric properties of the EQ-5D-5L BSL are good, indicating that it can be used to measure health status in the Deaf signing population in the UK. Convergent validity between EQ-5D-5L BSL and CORE-10 BSL and CORE-6D BSL is consistent, demonstrating that the BSL version of EQ-5D-5L is a good measure of the health status of an individual. The test–retest reliability of EQ-5D-5L BSL, for each dimension of health, was shown to have Cohen’s kappa values of 0.47–0.61; these were in the range of moderate to good and were therefore acceptable.

ConclusionsThis is the first time EQ-5D-5L has been translated into a signed language for use with Deaf people and is a significant step forward towards conducting studies of health status and cost-effectiveness in this population.

KeywordsEQ-5D-5L Psychometric properties Deaf population British Sign Language Translation  Download fulltext PDF

Author: Katherine D. Rogers - Mark Pilling - Linda Davies - Rachel Belk - Catherine Nassimi-Green - Alys Young


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