The DUX-25 after Twenty-Five Years: New Analyses and Reference Data

Twenty-five years after its inception, we present new analyses and reference data for the DUX-25, a questionnaire on health-related quality of life for children 8-17 years old and their parents as proxy. Data from 774 healthy children and their caregivers were collected through web-based data collec...

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Main Authors: Hendrik M. Koopman (Author), Benjamin S. D. Telkamp (Author), Annelieke Hijkoop (Author), Julie A. Reuser (Author), Marlous J. Madderom (Author), Hanneke IJsselstijn (Author), Andre B. Rietman (Author)
Format: Book
Published: MDPI AG, 2022-10-01T00:00:00Z.
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Summary:Twenty-five years after its inception, we present new analyses and reference data for the DUX-25, a questionnaire on health-related quality of life for children 8-17 years old and their parents as proxy. Data from 774 healthy children and their caregivers were collected through web-based data collection. Participants were recruited via primary and secondary schools in the Netherlands. The DUX-25 showed adequate psychometric qualities. Using exploratory and confirmatory factor analyses, we were able to support the theorized four-factor model. In addition, a model with five factors emerged in which the factor 'Social' was divided into 'Social Close' and 'Social Far'. A comparison of the outcomes of the PedsQL with those of the DUX-25 provides evidence for a high construct validity of the DUX-25. With the new updated reference data, the DUX-25 can still be used in inpatient and outpatient settings to measure health-related quality of life of children with chronic conditions.
Item Description:10.3390/children9101569
2227-9067