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Gepubliceerd in: Quality of Life Research 8/2007

01-10-2007 | Brief Communication

Feasibility, validity and reliability of the Welsh version of the EQ-5D health status questionnaire

Auteur: Dyfrig A. Hughes

Gepubliceerd in: Quality of Life Research | Uitgave 8/2007

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Abstract

The feasibility, reliability and validity of a Welsh version of the EQ-5D health-related quality of life questionnaire were evaluated by means of a postal questionnaire administered on two occasions to a sample of adults across Welsh-speaking areas of Wales. The absolute response rate was 126 (out of 1,000), though after considering language and expected response to Welsh language questionnaires, the adjusted response rate was 50%. Respondents’ mean age was 56.8 ± 18 years and 38.7% reported having chronic illness. The number of missing items from the descriptive EQ-5D (aggregated for both administrations) was 4, representing 0.33% of all responses. Five EQ-VAS responses were returned incomplete. 97 (85.8%) respondents reported no change in health in the fortnight between the first and second administration. The Spearman rank coefficients for these respondents were 0.828 for EQ-5D scores, and 0.815 for EQ-VAS, respectively (both P < 0.000). Construct validity was confirmed by the power of the EQ-5D to discriminate between those expected to be healthy or otherwise, as assessed by self-reported health, presence of chronic illness, receipt of treatment, and age (all P < 0.0001). It is concluded that the Welsh version of the EQ-5D is both valid and reliable for measuring health status in subjects across Wales.
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Metagegevens
Titel
Feasibility, validity and reliability of the Welsh version of the EQ-5D health status questionnaire
Auteur
Dyfrig A. Hughes
Publicatiedatum
01-10-2007
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 8/2007
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-007-9238-9