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To examine the performance of two recently developed preference-based instruments—the Child Health Utility 9D (CHU9D) and the EuroQol five-dimensional questionnaire Youth version (EQ-5D-Y)—in assessing the health-related quality of life (HRQOL) of Australian adolescents.

An online survey including the CHU9D and the EQ-5D-Y, self-reported health status, and a series of sociodemographic questions was developed for administration to a community-based sample of adolescents (aged 11–17 years). Individual responses to both instruments were translated into utilities using scoring algorithms derived from the Australian adult general population.

A total of 2020 adolescents completed the online survey. The mean ± SD utilities of the CHU9D and the EQ-5D-Y were very similar (0.82 ± 0.13 and 0.83 ± 0.19, respectively), and the intraclass correlation coefficient (0.80) suggested …