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- Title
Psychometric evaluation of the Chinese version of the Child Health Utility 9D (CHU9D-CHN): a school-based study in China.
- Authors
Yang, Peirong; Chen, Gang; Wang, Peng; Zhang, Kejian; Deng, Feng; Yang, Haifeng; Zhuang, Guihua
- Abstract
<bold>Purpose: </bold>The Child Health Utility 9D (CHU9D), a new generic preference-based health-related quality of life (HRQoL) instrument, was developed specifically for the application in cost-effectiveness analyses of treatments and interventions for children and adolescents. The main objective of this study was to examine the psychometric property of the Chinese version of CHU9D (CHU9D-CHN) in a large school-based sample in China.<bold>Methods: </bold>Data were collected using a multi-stage sampling method from third-to-ninth-grade students in Shaanxi Province, China. Participants self-completed a hard-copy questionnaire including the CHU9D-CHN instrument, the Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales (PedsQL), information on socio-demographic characteristics and self-reported health status. The psychometric properties of the CHU9D-CHN, including the internal consistency, 2-week test-retest reliability, convergent and known-groups validity were studied.<bold>Results: </bold>A total of 1912 students participated in the survey. The CHU9D-CHN internal consistency and test-retest reliability were good to excellent with a Cronbach's alpha of 0.77 and an intra-class correlation coefficient of 0.65, respectively. The CHU9D utility scores moderately correlated with the PedsQL total scores (r = .57, P < .001), demonstrating good convergent validity. Difference of the CHU9D utility scores among the different participants with levels of self-reported general health, health services utilisation and left-behind status demonstrated good construct validity.<bold>Conclusion: </bold>The findings demonstrated adequate psychometric performance for the CHU9D-CHN. The CHU9D-CHN was a satisfactory, reliable and valid instrument to measure and value HRQoL for children and adolescents in China.
- Subjects
CHINA; PSYCHOMETRICS; QUALITY of life; TEST design; TEST validity; HEALTH surveys; CLUSTER analysis (Statistics); STATISTICAL correlation; HEALTH status indicators; QUESTIONNAIRES; RESEARCH evaluation; STATISTICAL sampling; STATISTICAL reliability; RESEARCH methodology evaluation; INTRACLASS correlation
- Publication
Quality of Life Research, 2018, Vol 27, Issue 7, p1921
- ISSN
0962-9343
- Publication type
journal article
- DOI
10.1007/s11136-018-1864-x