University of Sheffield

Tony O'Hagan - Academic pages - Abstracts


Modelling SF-6D health state preference data using a nonparametric Bayesian method.

Kharroubi, S. A., Brazier, J. E., Roberts, J. and O'Hagan, A.

Department of Probability and Statistics, University of Sheffield, Sheffield, England and School of Health And Related Research, University of Sheffield, Sheffield, England

Publication details: Journal of Health Economics 26, 597-612, 2007.


This paper reports on the findings from applying a new approach to modelling health state valuation data. The approach applies a nonparametric model to estimate SF-6D health state utility values using Bayesian methods. The data set is the UK SF-6D valuation study where a sample of 249 states defined by the SF-6D (a derivative of the SF- 36) was valued by a representative sample of the UK geneal population using standard gamble. The paper presents the results from applying the nonparametric model and comparing it to the original model estimated using a conventional parametric random effects model. The two models are compared theoretically and in terms of empirical performance. The paper discusses the implications of these results for future applications of the SF-6D and further work in this field.

Keywords: Preference-based health measure; SF-6D; nonparametric methods.

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Updated: 17 April 2007
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