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Modelling the EuroQol data: a comparison of discrete choice conjoint and conditional preference modelling

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Author Info
Zafar Hakim (Global Pharmacoeconomic Research, Roche Pharmaceuticals, Palo Alto, CA, USA)
Dev S. Pathak (College of Pharmacy and Centre for Health Outcomes, Policy, and Evaluation Studies, The Ohio State University, Columbus, OH, USA)
Abstract

This article compares two measurement strategies for measuring EuroQol health state preferences: (a) conditional preference modelling, implemented using rating scale and standard gamble scaling methods and (b) discrete choice conjoint modelling. The nature of the model form of the EuroQol health status preference function and the predictive ability of each measurement strategy formed the basis of the comparison. Data were collected via personal interviews with 140 US patients, 139 of whom provided usable responses. Both strategies supported a multiplicative model form as representative of the EuroQol health status preference function and were acceptable in terms of predictive ability. The agreement of the two measurement strategies on the nature of the model form provides evidence of the convergent validity of the multiplicative nature of the EuroQol health status preference function in this patient population. Since both strategies were found to be acceptable in terms of predictive ability, further research comparing preference scores and measuring respondent evaluations of the methodologies is necessary to illustrate the relative strengths and weaknesses of different health state preference measurement methodologies. Copyright © 1999 John Wiley & Sons, Ltd.

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

Volume (Year): 8 (1999)
Issue (Month): 2 ()
Pages: 103-116
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Handle: RePEc:wly:hlthec:v:8:y:1999:i:2:p:103-116

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

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. 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. [Downloadable!] (restricted)
  2. Paul Dolan & Claire Gudex & Paul Kind & Alan Williams, 1995. "A social tariff for EuroQol: results from a UK general population survey," Working Papers 138chedp, Centre for Health Economics, University of York. [Downloadable!]
  3. Louviere, Jordan J & Hensher, David A, 1983. " Using Discrete Choice Models with Experimental Design Data to Forecast Consumer Demand for a Unique Cultural Event," Journal of Consumer Research: An Interdisciplinary Quarterly, University of Chicago Press, vol. 10(3), pages 348-61, December.
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(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. F. Reed Johnson & Melissa Ruby Banzhaf & William H. Desvousges, 2000. "Willingness to pay for improved respiratory and cardiovascular health: a multiple-format, stated-preference approach," Health Economics, John Wiley & Sons, Ltd., vol. 9(4), pages 295-317.
  2. Kara Hanson & Barbara McPake & Pamela Nakamba & Luke Archard, 2005. "Preferences for hospital quality in Zambia: results from a discrete choice experiment," Health Economics, John Wiley & Sons, Ltd., vol. 14(7), pages 687-701. [Downloadable!]
  3. Rosalie Viney & Elizabeth Savage & Jordan Louviere, 2005. "Empirical investigation of experimental design properties of discrete choice experiments in health care," Health Economics, John Wiley & Sons, Ltd., vol. 14(4), pages 349-362. [Downloadable!]
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