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Designing Choice Experiments with Many Attributes: An Application to Setting Priorities for Orthopaedic Waiting Lists

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  • Julia Witt

    (Melbourne Institute of Applied Economic and Social Research, The University of MelbourneTitle: Fiscal and Current Account Balances in a Model with Sticky Prices and Distortionary Taxes)

  • Anthony Scott

    () (Melbourne Institute of Applied Economic and Social Research, The University of Melbourne)

  • Richard H. Osborne

    (Centre for Rheumatic Diseases, Department of Medicine, Royal Melbourne Hospital, The University of Melbourne)

Abstract

Stated preference discrete choice experiments are being increasingly used to value the quality of health care services. To date in the health economics literature, discrete choice experiments have used only a relatively small number of attributes due to concerns about task complexity, non-compensatory decision rules, simplicity of experimental designs, and the costs of surveys. This may lead to omitted variable bias and reduced explanatory power when attributes have been pre-selected from a longer list. There may be situations where it is desirable to include a longer list of attributes, such as attaching weights to quality of life instruments to obtain single index scores. The aim of this paper is to examine the feasibility of using a ‘blocked attribute’ design in a DCE with 11 attributes. This method allocates the 11 attributes across three separate experimental designs and pools the data for analysis. We examine this issue in the context of attaching weights to a disease specific quality of life instrument used to prioritise orthopaedic waiting lists in Victorian hospitals. We produce a single index measure of utility for health states of patients, bounded between zero and one. The use of such a design seems feasible, although issues remain to be resolved about how the ranking should be used in practice to set priorities for waiting lists.

Suggested Citation

  • Julia Witt & Anthony Scott & Richard H. Osborne, 2006. "Designing Choice Experiments with Many Attributes: An Application to Setting Priorities for Orthopaedic Waiting Lists," Melbourne Institute Working Paper Series wp2006n24, Melbourne Institute of Applied Economic and Social Research, The University of Melbourne.
  • Handle: RePEc:iae:iaewps:wp2006n24
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    Cited by:

    1. Shah, Koonal K. & Tsuchiya, Aki & Wailoo, Allan J., 2015. "Valuing health at the end of life: A stated preference discrete choice experiment," Social Science & Medicine, Elsevier, vol. 124(C), pages 48-56.
    2. repec:spr:patien:v:11:y:2018:i:1:d:10.1007_s40271-017-0263-7 is not listed on IDEAS
    3. Riise, Julie & Hole, Arne Risa & Gyrd-Hansen, Dorte & Skåtun, Diane, 2016. "GPs' implicit prioritization through clinical choices – evidence from three national health services," Journal of Health Economics, Elsevier, vol. 49(C), pages 169-183.
    4. Grisolía, José M. & Longo, Alberto & Hutchinson, George & Kee, Frank, 2015. "Applying Health Locus of Control and Latent Class Modelling to food and physical activity choices affecting CVD risk," Social Science & Medicine, Elsevier, vol. 132(C), pages 1-10.
    5. Esther Bekker-Grob & John Rose & Michiel Bliemer, 2013. "A Closer Look at Decision and Analyst Error by Including Nonlinearities in Discrete Choice Models: Implications on Willingness-to-Pay Estimates Derived from Discrete Choice Data in Healthcare," PharmacoEconomics, Springer, vol. 31(12), pages 1169-1183, December.
    6. Solans-Domènech, Maite & Adam, Paula & Tebé, Cristian & Espallargues, Mireia, 2013. "Developing a universal tool for the prioritization of patients waiting for elective surgery," Health Policy, Elsevier, vol. 113(1), pages 118-126.
    7. Carlsen, Benedicte & Hole, Arne Risa & Kolstad, Julie Riise & Norheim, Ole Frithjof, 2012. "When you can’t have the cake and eat it too," Social Science & Medicine, Elsevier, vol. 75(11), pages 1964-1973.
    8. Michael Clark & Domino Determann & Stavros Petrou & Domenico Moro & Esther Bekker-Grob, 2014. "Discrete Choice Experiments in Health Economics: A Review of the Literature," PharmacoEconomics, Springer, vol. 32(9), pages 883-902, September.
    9. Cash, Sean B. & Slade, Peter & Cranfield, John, 2013. "The Chicken Wears No Skin: Ordering Effects in Elicitation of Willingness to Pay for Multiple Credence Attributes in Ethical and Novel Food Products," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. 150364, Agricultural and Applied Economics Association.
    10. Mandy Ryan & Karen Gerard & Gillian Currie, 2012. "Using Discrete Choice Experiments in Health Economics," Chapters,in: The Elgar Companion to Health Economics, Second Edition, chapter 41 Edward Elgar Publishing.
    11. Alessandro Mengoni & Chiara Seghieri & Sabina Nuti, 2013. "The application of discrete choice experiments in health economics: a systematic review of the literature," Working Papers 201301, Scuola Superiore Sant'Anna of Pisa, Istituto di Management.

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