The EQ-5D-3L valuation study for Bermuda: using an on-line EQ-VT protocol

Henry Bailey (), Bram Roudijk and Ricky Brathwaite
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Henry Bailey: The University of the West Indies, St Augustine Campus
Bram Roudijk: EuroQol Research Foundation
Ricky Brathwaite: Bermuda Health Council, Health Economics Directorate

The European Journal of Health Economics, 2025, vol. 26, issue 2, No 9, 275-297

Abstract: Abstract Background In many countries, methods of economic evaluation and Health Technology Assessment are used to inform healthcare resource allocation decisions. These approaches often require EQ-5D health outcomes measures. This study aimed to create an EQ-5D-3L value set for Bermuda from which EQ-5D-5L Crosswalk values could be obtained. Methods Respondents in Bermuda were recruited locally. A team of Trinidad-based interviewers with prior EQ-5D-3L valuation experience conducted valuation interviews on-line using the EQ-VT protocol. Respondents completed composite time-trade off (cTTO) and discrete choice experiment (DCE) tasks. A hybrid model that included both the cTTO and DCE data was estimated. An EQ-5D-5L crosswalk value set was then created from the EQ-5D-3L index values. Coefficients in the resulting crosswalk model were compared with those of crosswalk and valuation studies from other countries. Results The valuation tasks were completed by a near-representative sample of 366 adult Bermuda citizens. Half of the respondents reported being in state 11111. The lowest EQ VAS and EQ-5D-3L index values were 20 and – 0.120 respectively. The hybrid model produced all logically consistent and statistically significant coefficients that in turn produced index values that were very similar to those obtained in a preliminary model (MAD of 0.027). Discussion The on-line EQ-VT valuation study was successfully conducted in Bermuda and the values therein can now be used for economic analysis in Bermuda. The Bermuda values differed considerably from those of the other countries against which they were compared. Challenges were encountered with recruitment for an on-line survey in a small population.

Keywords: EQ-5D-3L; EQ-5D-5L; Bermuda; Discrete choice experiment; Composite time trade off (search for similar items in EconPapers)
JEL-codes: I19 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10198-024-01701-2

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