Comparing the measurement properties of the EQ-5D-Y-3L, EQ-5D-Y-5L and CHU9D in children and adolescents: a measurement property study

Caique de Melo do Espirito Santo (), Verônica Souza Santos (), Yasmin Brasileiro de Souza (), Aureliano Paolo Finch (), Janine Verstraete (), Gisela Cristiane Miyamoto () and Tiê P. Yamato ()
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Caique de Melo do Espirito Santo: Universidade Cidade de São Paulo
Verônica Souza Santos: Universidade Cidade de São Paulo
Yasmin Brasileiro de Souza: Universidade Cidade de São Paulo
Aureliano Paolo Finch: EuroQol Research Foundation
Janine Verstraete: University of Cape Town
Gisela Cristiane Miyamoto: Universidade Cidade de São Paulo
Tiê P. Yamato: Universidade Cidade de São Paulo

The European Journal of Health Economics, 2025, vol. 26, issue 8, No 3, 1347-1368

Abstract: Abstract Background The EQ-5D-Y-3L, EQ-5D-Y-5L and Child Health Utility 9-dimension (CHU9D) are instruments that measures health-related quality of life. These instruments are widely used in children and adolescents with health conditions, however the measurement properties of the three instruments have not been tested in Brazilian children. Objective To compare and test the measurement properties of the EQ-5D-Y-3L, EQ-5D-Y-5L and CHU9D in Brazilian children and adolescents with and without any self-reported musculoskeletal pain. Methods Children and adolescents aged 8–18 years were recruited from schools in Sao Paulo, Brazil and, self-completed the EQ-5D-Y-3L, EQ-5D-Y-5L and CHU9D at baseline and after 7 days. Reliability was determined by Kappa for the dimensions and intraclass correlation coefficient (ICC) for visual analogue scale (EQ VAS). Hypothesis were developed for construct validity and tested with Spearman and Pearson correlations (adequate if > 75% of the hypotheses confirmed). Children and adolescents with and without musculoskeletal pain were compared for known-group validity. Results We included 356 children and adolescents, with 51% (n = 181) reporting musculoskeletal pain. Majority were male (53%) and mean age of 11.5 years (SD: 2.9). The EQ-5D-Y-3L, EQ-5D-Y-5L and CHU9D ranged from poor to moderate reliability. Reliability of the EQ VAS was substantial (ICC: 0.81, 95% confidence interval [CI]: 0.72 to 0.87) to moderate (ICC: 0.40, 95% CI: 0.24 to 0.53) for those with musculoskeletal pain and without pain, respectively. In those with musculoskeletal pain the association was weak to moderate, with > 75% of hypotheses confirmed, when comparing EQ-5D-Y-3L and EQ-D-Y-5L with the PedsQL™ and comparing EQ-5D-Y-5L with CHU9D. All instruments were able to discriminate those with and without musculoskeletal pain. Conclusion All instruments had better measurement properties in children and adolescents with musculoskeletal pain, compared to those without for reliability and construct validity. These instruments could be used to assess health-related quality of life in Brazilian children and adolescents with musculoskeletal pain.

Keywords: Health-related quality of life; Musculoskeletal pain; Health status; Validation study; Psychometrics (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10198-025-01770-x

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