Measuring and Valuing Health Using EuroQol Instruments: New Developments 2025 and Beyond

Area of Science:

• Health Economics and Outcomes Research
• Psychometrics
• Public Health

Background:

• EuroQol's EQ-5D-3L is a key instrument for measuring health-related quality of life (HRQoL) and estimating quality-adjusted life years (QALYs).
• Its development aimed for broad comparability across populations in health economics research.
• The organization focuses on advancing HRQoL measurement and valuation methods.

Purpose of the Study:

• To provide an overview of EuroQol's current HRQoL instruments, including EQ-5D-3L, EQ-5D-5L, EQ-5D-Y-3L, and EQ-5D-Y-5L.
• To outline the current research agenda, focusing on expanding measurement capabilities and developing new valuation methods.
• To highlight ongoing challenges and future directions in HRQoL measurement and valuation.

Main Methods:

• Review of EuroQol's existing suite of HRQoL instruments.
• Summary of ongoing research initiatives, including EQ-TIPS, EQ-HWB, EQ-5D Bolt-on Toolbox, and EQ-DAPHNIE.
• Description of advancements in valuation methods, such as discrete choice experiments incorporating duration and time preference.

Main Results:

• EuroQol offers a range of instruments for adults and children to measure HRQoL.
• Research is expanding measurement to very young children and broader health and wellbeing aspects.
• New valuation methods are being developed to enhance the application of HRQoL data.

Conclusions:

• EuroQol is actively developing and refining HRQoL measurement tools and valuation methods.
• Future research aims to address current challenges and expand the utility of HRQoL evidence in decision-making.
• Continued international collaboration and research funding are crucial for advancing the field.