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- Title
Dealing with the health state 'dead' when using discrete choice experiments to obtain values for EQ-5D-5L heath states.
- Authors
Ramos-Goñi, Juan; Rivero-Arias, Oliver; Errea, María; Stolk, Elly; Herdman, Michael; Cabasés, Juan
- Abstract
Objective: To evaluate two different methods to obtain a dead (0)-full health (1) scale for EQ-5D-5L valuation studies when using discrete choice (DC) modeling. Method: The study was carried out among 400 respondents from Barcelona who were representative of the Spanish population in terms of age, sex, and level of education. The DC design included 50 pairs of health states in five blocks. Participants were forced to choose between two EQ-5D-5L states (A and B). Two extra questions concerned whether A and B were considered worse than dead. Each participant performed ten choice exercises. In addition, values were collected using lead-time trade-off (lead-time TTO), for which 100 states in ten blocks were selected. Each participant performed five lead-time TTO exercises. These consisted of DC models offering the health state 'dead' as one of the choices-for which all participants' responses were used (DC)-and a model that included only the responses of participants who chose at least one state as worse than dead (WTD) (DC). The study also estimated DC models rescaled with lead-time TTO data and a lead-time TTO linear model. Results: The DC and DC models produced relatively similar results, although the coefficients in the DC model were slightly lower. The DC model rescaled with lead-time TTO data produced higher utility decrements. Lead-time TTO produced the highest utility decrements. Conclusions: The incorporation of the state 'dead' in the DC models produces results in concordance with DC models that do not include 'dead'.
- Subjects
HEALTH outcome assessment; PUBLIC health; MEDICAL economics; DISCRETE choice models; DECISION making
- Publication
European Journal of Health Economics, 2013, Vol 14, p33
- ISSN
1618-7598
- Publication type
Article
- DOI
10.1007/s10198-013-0511-2