Eliciting public preferences across health and wellbeing dimensions: An equivalent income value set for SIPHER‐7

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Abstract
The call for “health and wellbeing in all policies” requires a preference‐based measure that collapses multi‐dimensional health and wellbeing into a single index, such as equivalent income. We aim to elicit preferences of the UK general public to estimate a value set for a suite of seven commonly used wellbeing indicators including health, income, and other dimensions, in terms of equivalent income. Secondly, we examine heterogeneous preferences by gender, by age, and by income. Thirdly, we explore the stability of preferences, since the survey took place amid the pandemic, possibly affecting preferences over health and wellbeing. Effects of attrition and of time are distinguished. Data were collected online across two waves using Discrete Choice Experiments through an internet panel (N1 = 3362; and N2 = 3357). The regression coefficients for all the ordered attribute levels have the expected sign, are significant, and ordered. Equivalent income was found to vary up to 10% by gender and by age (both significant) and 4% by income (not significant), while the effect of time was up to 16% (significant). The study facilitates the calculation of overall wellbeing in terms of equivalent income based on the preferences of the UK public, where the relevant wellbeing indicators are available.

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