Using the OPUF approach to create a value set for the EQ-HWB-S: An exploratory feasibility study

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Abstract

Objectives: The EQ-HWB-S (EQ Health and Wellbeing Short version) is a new generic measure of health, social care and carer related quality of life, specifically developed to generate utility values. However, its nine dimensions pose a challenge for creating value sets using traditional elicitation techniques, such as time trade-off. A promising alternative method, called Online elicitation of Personal Utility Functions (OPUF) has recently been proposed. The aim of this study was to test the feasibility of using OPUF to create a value set for the EQ-HWB-S. Methods We adapted the OPUF tool for the EQ-HWB-S, and piloted it in convenience samples from the UK and Germany. We then conducted an explorative valuation study in both countries in March 2023. We recruited a total of 658 respondents, in four samples: UK (n=328) and German (n=110) general population, and German rheumatic disease (n=110) and diabetes (n=110) patients. Feasibility was assessed based on completion times, data quality, logical consistency, and respondents’ feedback. A demo version of the English OPUF survey is available at: https://valorem.health/eqen-demo Results The OPUF approach was found to be feasible. Most respondents completed the survey in around 15 minutes and found it easy to complete. We derived well-ordered value set coefficients. Pain, mobility, and daily activities were the three most important dimensions in all four samples. The OPUF-derived UK value set differed in several notable ways from a UK value set derived using traditional elicitation methods. Conclusion This study has demonstrated the feasibility of using OPUF to create a value set for the EQ-HWB-S in four relatively small samples including two patient groups. While further validation is needed, our results suggest that OPUF might be a viable alternative or supplement to the traditional valuation techniques for eliciting health state preferences.
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europepmc
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