Developing an Australian utility value set for the Early Childhood Oral Health Impact Scale-4D (ECOHIS-4D) using a discrete choice experiment

Ruvini M. Hettiarachchi (), Peter Arrow, Sameera Senanayake, Hannah Carter, David Brain, Richard Norman, Utsana Tonmukayawul, Lisa Jamieson and Sanjeewa Kularatna
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Ruvini M. Hettiarachchi: Queensland University of Technology (QUT)
Peter Arrow: University of Adelaide
Sameera Senanayake: Queensland University of Technology (QUT)
Hannah Carter: Queensland University of Technology (QUT)
David Brain: Queensland University of Technology (QUT)
Richard Norman: Curtin University
Utsana Tonmukayawul: Deakin University
Lisa Jamieson: University of Adelaide
Sanjeewa Kularatna: Queensland University of Technology (QUT)

The European Journal of Health Economics, 2023, vol. 24, issue 8, No 4, 1285-1296

Abstract: Abstract Purpose Preference-based quality of life measures (PBMs) are used to generate quality-adjusted life years (QALYs) in economic evaluations. A PBM consists of (1) a health state classification system and (2) a utility value set that allows the instrument responses to be converted to QALYs. A new, oral health-specific classification system, the Early Childhood Oral Health Impact Scale-4D (ECOHIS-4D) has recently been developed. The aim of this study was to generate an Australian utility value set for the ECOHIS-4D. Methods A discrete choice experiment with duration (DCETTO) was used as the preference elicitation technique. An online survey was administered to a representative sample of Australian adults over 18 years. Respondents were given 14 choice tasks (10 tasks from the DCE design of 50 choice sets blocked into five blocks, 2 practice tasks, a repeated and a dominant task). Data were analyzed using the conditional logit model. Results A total of 1201 respondents from the Australian general population completed the survey. Of them, 69% (n = 829) perceived their oral health status to be good, very good, or excellent. The estimated coefficients from the conditional logit models were in the expected directions and were statistically significant (p

Keywords: Preference based; Quality-adjusted life years; Children; Health state valuations; Discrete choice experiments; Economic evaluation; Oral health; Early childhood; Pediatric (search for similar items in EconPapers)
JEL-codes: C35 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10198-022-01542-x

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