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An EQ-5D-Y-3L Value Set for Belgium
Sarah Dewilde1, Bram Roudijk2, Nafthali H Tollenaar3
1Services in Health Economics, Rue des Eburons 55, 1000, Brussels, Belgium. sd@she-consulting.be.
Pharmacoeconomics
|November 1, 2022
Summary
A new Belgian value set for the EQ-5D-Y-3L measure was developed using adult preferences for child health states. This enables cost-effectiveness analysis for youth health technologies in Belgium.
Area of Science:
- Health Economics
- Psychometrics
- Public Health
Background:
- A national value set for the EQ-5D-Y-3L (EuroQol 5-Dimensions Youth 3-Levels) is unavailable in Belgium.
- Understanding taxpayer preferences for youth health states is crucial for drug pricing and resource allocation.
Purpose of the Study:
- To derive a value set for the EQ-5D-Y-3L in Belgium.
- To follow the international youth valuation protocol for data collection.
Main Methods:
- Composite Time Trade-Off interviews (n=200) and an online discrete choice experiment (n=1000) were conducted with Belgian adults.
- Adults adopted the perspective of a 10-year-old child for health state valuations.
- Latent class analysis was used to model preferences, anchored by the worst health state value.
Main Results:
- The mean censored value for the worst health state (33333) for children and adolescents was -0.475.
- A statistically significant model with 4 latent classes indicated increasing disutility with greater health severity.
- Pain/discomfort was the most significant health dimension, followed by emotional distress.
Conclusions:
- The developed Belgian EQ-5D-Y-3L value set will be incorporated into national pharmacoeconomic guidelines.
- This value set facilitates the calculation of quality-adjusted life-years for children and adolescents.
- It enables cost-effectiveness evaluations and youth-specific pricing for health technologies in Belgium.
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