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Exploring the Feasibility of Using Discrete Choice Experiments With Duration to Elicit Health State Preferences Among
Brittany Humphries1, Angel Ruhil1, Rebecca Liu1
1Department of Health Research Methods, Evidence and Impact, McMaster University, Ontario, Canada.
Summary
Discrete choice experiments (DCEs) are feasible for eliciting health state preferences from adolescents. While generally successful, understanding and framing of tasks varied, impacting response reliability for future health valuation studies.
Area of Science:
- Health Economics
- Psychometrics
- Patient-Reported Outcomes
Background:
- Canadian stakeholders recommended discrete choice experiments (DCEs) for developing the EQ-5D-Y value set.
- Direct elicitation of preferences from children and adolescents is crucial for accurate health valuation.
Purpose of the Study:
- To assess the feasibility of using DCEs to elicit health state preferences from adolescents.
- To inform the EQ-5D-Y-5L valuation study in Canada.
Main Methods:
- Convergent parallel mixed methods study with Canadian youth (13-18 years).
- Online survey including EQ-5D-Y-5L, DCE tasks (with and without duration), followed by focus group discussions.
- Quantitative analysis of DCE completion metrics and qualitative content analysis of focus group data.
Main Results:
- 36 adolescents participated; DCE tasks averaged 7 minutes.
- No task incompletion, speeding, flatlining, or dominant choice violations observed.
- Most participants understood instructions, but interpretation varied due to presentation, conceptualization, and framing.
Conclusions:
- DCEs are a feasible method for eliciting health state preferences from adolescents.
- Variations in participant experience may influence response reliability in valuation tasks.
- Findings will guide the Canadian EQ-5D-Y-5L valuation study.
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