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Stability of Danish Population Health Preferences Over Time
Cathrine Elgaard Jensen1, Sabrina Storgaard Sørensen1, Claire Gudex2
1Danish Center for Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
Summary
Danish population health preferences remained stable between 2019 and 2024, despite major global events. This stability supports the continued use of EQ-5D-5L value sets for health economics research.
Area of Science:
- Health Economics
- Patient-Reported Outcomes
- Psychometrics
Background:
- Assessing the stability of population health preferences is crucial for the reliability of health economic evaluations.
- The period between 2019 and 2024 encompassed significant global events, including the COVID-19 pandemic and the war in Ukraine, potentially influencing societal values.
Purpose of the Study:
- To evaluate the stability of Danish population health preferences over a five-year period.
- To compare health state valuations from 2019 with newly collected data from 2024.
- To assess the shelf-life of the EQ-5D-5L value set in Denmark.
Main Methods:
- Collected composite time trade-off (cTTO) and discrete choice experiment (DCE) data in 2024 using standardized protocols (EQ-VT) and an online survey.
- Matched 2024 samples to the 2019 Danish EQ-5D-5L valuation study.
- Compared mean cTTO values, estimated mixed logit models for DCE data, and analyzed dimension order and value differences using Bland-Altman plots.
Main Results:
- No significant differences were found in mean cTTO values for 10 health states between 2019 and 2024.
- Dimension order in DCE remained consistent, but relative importance shifted: mobility and self-care increased, while pain/discomfort and anxiety/depression decreased.
- Bland-Altman plots indicated higher valuations for severe health states and lower valuations for moderate states in 2024 compared to 2019.
Conclusions:
- Danish population health preferences demonstrated stability over the five-year study period.
- The findings provide evidence supporting the reliability and shelf-life of the EQ-5D-5L value set for use in health economic assessments in Denmark.
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