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A multi-method approach to measuring health-state valuations

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  • Joshua A. Salomon
  • Christopher J.L. Murray

    (Evidence and Information for Policy, World Health Organization, Geneva, Switzerland)

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    Abstract

    Existing techniques for eliciting health-state valuations incorporate both strength of preferences for health states and other values such as risk aversion or time preference. This paper presents a new methodological approach that allows estimation of a set of core underlying health-state values based on responses elicited through multiple measurement techniques. A study was undertaken in which respondents completed the visual analogue (VAS) scale, time trade-off (TTO), standard gamble (SG) and person trade-off (PTO) for a range of states. By specifying flexible parametric functions to explain responses on each measurement technique, we estimated both the underlying strength of preference values for the health states in the study and the values for a set of auxiliary parameters characterising risk attitudes, discount rates, distributional concerns and scale distortion effects in the group of respondents. This study demonstrates that it is possible to understand responses on these four different measurement techniques based on a consistent set of core values. The approach presented here can provide insights into different sources of observed variation in VAS, TTO, SG and PTO responses and facilitate appropriate adjustment of valuations elicited through different methods for use in summary health measures and economic analyses. Copyright © 2003 John Wiley & Sons, Ltd.

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    File URL: http://hdl.handle.net/10.1002/hec.834
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    Bibliographic Info

    Article provided by John Wiley & Sons, Ltd. in its journal Health Economics.

    Volume (Year): 13 (2004)
    Issue (Month): 3 ()
    Pages: 281-290

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    Handle: RePEc:wly:hlthec:v:13:y:2004:i:3:p:281-290

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    Web page: http://www3.interscience.wiley.com/cgi-bin/jhome/5749

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    1. Dolan, Paul & Sutton, Matthew, 1997. "Mapping visual analogue scale health state valuations onto standard gamble and time trade-off values," Social Science & Medicine, Elsevier, vol. 44(10), pages 1519-1530, May.
    2. Robinson, Angela & Dolan, Paul & Williams, Alan, 1997. "Valuing health status using VAS and TTO: What lies behind the numbers?," Social Science & Medicine, Elsevier, vol. 45(8), pages 1289-1297, October.
    3. Richardson, J., 1994. "Cost utility analysis: What should be measured?," Social Science & Medicine, Elsevier, vol. 39(1), pages 7-21, July.
    4. Nord, Erik, 1992. "Methods for quality adjustment of life years," Social Science & Medicine, Elsevier, vol. 34(5), pages 559-569, March.
    5. Torrance, George W., 1986. "Measurement of health state utilities for economic appraisal : A review," Journal of Health Economics, Elsevier, vol. 5(1), pages 1-30, March.
    6. R.M.P.M. Baltussen & M. Sanon & J. Sommerfeld & R. Würthwein, 2002. "Obtaining disability weights in rural Burkina Faso using a culturally adapted visual analogue scale," Health Economics, John Wiley & Sons, Ltd., vol. 11(2), pages 155-163.
    7. Dolan, P. & Gudex, C. & Kind, P. & Williams, A., 1996. "Valuing health states: A comparison of methods," Journal of Health Economics, Elsevier, vol. 15(2), pages 209-231, April.
    8. Marjon M. Van Der Pol & John A. Cairns, 2000. "Negative and zero time preference for health," Health Economics, John Wiley & Sons, Ltd., vol. 9(2), pages 171-175.
    9. Krabbe, Paul F. M. & Essink-Bot, Marie-Louise & Bonsel, Gouke J., 1997. "The comparability and reliability of five health-state valuation methods," Social Science & Medicine, Elsevier, vol. 45(11), pages 1641-1652, December.
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    Cited by:
    1. Erik Nord & Paul Menzel & Jeff Richardson, 2006. "Multi-method approach to valuing health states: problems with meaning," Health Economics, John Wiley & Sons, Ltd., vol. 15(2), pages 215-218.
    2. Ratcliffe, J & Brazier, J & Tsuchiya, A & Symonds, T & Brown, M, 2006. "Estimation of a preference based single index from the sexual quality of life questionnaire (SQOL) using ordinal data," MPRA Paper 29768, University Library of Munich, Germany.
    3. Abellán Perpiñán, José Mª & Sánchez Martínez,Fernando I. & Martínez Pérez, Jorge E., 2007. "La medición del bienestar social relacionado con la salud/The Measurement of the Health Related Social Welfare," Estudios de Economía Aplicada, Estudios de Economía Aplicada, vol. 25, pages 823 - 24 PÃ, Diciembre.
    4. Richard Cookson, 2005. "QALYs and the capability approach," Health Economics, John Wiley & Sons, Ltd., vol. 14(8), pages 817-829.
    5. Julie Ratcliffe & John Brazier & Aki Tsuchiya & Tara Symonds & Martin Brown, 2009. "Using DCE and ranking data to estimate cardinal values for health states for deriving a preference-based single index from the sexual quality of life questionnaire," Health Economics, John Wiley & Sons, Ltd., vol. 18(11), pages 1261-1276.
    6. Xin Sun & Thomas Faunce, 2008. "Decision-analytical modelling in health-care economic evaluations," The European Journal of Health Economics, Springer, vol. 9(4), pages 313-323, November.
    7. Doctor, Jason N. & Miyamoto, John & Bleichrodt, Han, 2009. "When are person tradeoffs valid?," Journal of Health Economics, Elsevier, vol. 28(5), pages 1018-1027, September.
    8. Benjamin M. Craig, 2009. "The duration effect: a link between TTO and VAS values," Health Economics, John Wiley & Sons, Ltd., vol. 18(2), pages 217-225.

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