UBC Faculty Research and Publications

Validity and reliability of the EQ-5D-3L™ among a paediatric injury population Brussoni, Mariana; Kruse, Sami; Walker, Kerry

Abstract

The purpose of this study was to determine the construct validity of the EQ-5D-3L™ for use among a population of injured young people and to examine the reliability of different modes of administration including paper and pencil, online and telephone. Methods: In total, 345 participants (aged 0 – 16) were recruited from a paediatric hospital in a large urban centre in British Columbia, Canada. To capture a variety of injury types and severity, patients were recruited from in-patient units and the emergency department. Data were collected at the time of recruitment and at one month post-injury. Results: Repeated measures analysis (rANOVA) showed that EQ-5D-3L™ scores were different before and after injury and significant between group differences (Visual Analog Scale: F = 4.61, p = 0.011; Descriptive Scale: F = 29.58, p < 0.001), within group differences (Visual Analog Scale: F = 60.02, p < 0.001; Descriptive Scale: F = 92.37, p < 0.001), and interaction between variables (Visual Analog Scale: F = 10.89, p < 0.001; Descriptive Scale: F = 19.25, p < 0.001) were detected, indicating its suitability for assessment of post-injury health related quality of life. Bland-Altman plots confirmed that few differences existed between modes of administration. Conclusion: The EQ-5D-3L™ is an appropriate instrument for collecting health related quality of life data among injured children and can be administered via paper-pencil, online or by telephone.

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Attribution-NonCommercial-NoDerivatives 4.0 International