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Valuing EQ-5D using time trade-off in France
Julie Chevalier1, Gérard de Pouvourville
1Chair of Health Economics and Management, ESSEC Business School, Avenue Bernard Hirsch, BP 50105, 95021 Cergy-Pontoise Cedex, France. chevalier@essec.fr
Summary
This study developed the first French EQ-5D value set using Time Trade-Off (TTO) data from the general public. This enables robust cost-effectiveness analyses in France.
Area of Science:
- Health Economics
- Psychometrics
- Sociology
Background:
- The EQ-5D is a widely used health status measure.
- A French value set for the EQ-5D was previously unavailable.
- This gap limited its application in French health economic evaluations.
Purpose of the Study:
- To derive a French Time Trade-Off (TTO) value set for the EQ-5D.
- To provide a tool for cost-effectiveness analyses in France.
Main Methods:
- Recruited 452 French adults representative of the general population.
- Collected direct health state valuations using TTO.
- Estimated values for all 243 EQ-5D states using mixed-effects models.
- Compared model fits using AIC, MAE, and Pearson correlation.
Main Results:
- 443 respondents completed the study.
- The best-fitting model identified included variables consistent with the UK N3-model.
- A French EQ-5D value set was successfully derived.
Conclusions:
- The derived French EQ-5D value set is based on stated preferences of the French public.
- This value set will facilitate health economic evaluations and cost-effectiveness analyses in France.
- This research addresses a critical need for French-specific EQ-5D valuation data.
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