Exploring the feasibility of using discrete choice experiment (DCE) to elicit preferences among children and adolescents: protocol for a convergent parallel mixed methods study

INTRODUCTION: Discrete choice experiments (DCEs) are increasingly used to elicit value sets for paediatric health-related quality of life instruments, including the EQ-5D-Y. In a multinational pilot study that compared EQ-5D-Y-5L health state preferences among children, adolescents and adults, more inconsistencies in DCE responses were observed among children and adolescents than adults. Possible explanations for inconsistencies could be …