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Do time trade-off values fully capture attitudes that are relevant to health-related choices?

Author

Listed:
  • Anne Spencer

    (University of Exeter)

  • Ewan Tomeny

    (Liverpool School of Tropical Medicine)

  • Ruben E. Mujica-Mota

    (University of Exeter)

  • Angela Robinson

    (University of East Anglia)

  • Judith Covey

    (Durham University)

  • Jose Luis Pinto-Prades

    (Universidad de Navarra)

Abstract

Previous research has shown that demographics, beliefs, and self-reported own health influence TTO values. Our hypothesis is that attitudes towards length and quality of life influence TTO values, but should no longer affect a set of related choices that are based on respondents’ own TTO scores. A representative sample of 1339 respondents was asked their level of agreement to four statements relating to the importance of quality and length of life. Respondents then went on to value 4 EQ-5D 5L states using an online interactive survey and a related set of 6 pairwise health-related choice questions, set up, so that respondents should be indifferent between choice options. We explored the impact of attitudes using regression analysis for TTO values and a logit model for choices. TTO values were correlated with the attitudes and were found to have a residual impact on the choices. In particular, those respondents who preferred quality of life over length of life gave less weight to the differences in years and more weight to differences in quality of life in these choice. We conclude that although the TTO responses reflect attitudes, these attitudes continue to affect health-related choices.

Suggested Citation

  • Anne Spencer & Ewan Tomeny & Ruben E. Mujica-Mota & Angela Robinson & Judith Covey & Jose Luis Pinto-Prades, 2019. "Do time trade-off values fully capture attitudes that are relevant to health-related choices?," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 20(4), pages 559-568, June.
    • Handle: RePEc:spr:eujhec:v:20:y:2019:i:4:d:10.1007_s10198-018-1017-8
    DOI: 10.1007/s10198-018-1017-8
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    References listed on IDEAS

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    1. F. E. van Nooten & X. Koolman & W. B. F. Brouwer, 2009. "The influence of subjective life expectancy on health state valuations using a 10 year TTO," Health Economics, John Wiley & Sons, Ltd., vol. 18(5), pages 549-558, May.
    2. Julie Chevalier & Gérard Pouvourville, 2013. "Valuing EQ-5D using Time Trade-Off in France," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 14(1), pages 57-66, February.
    3. Arthur Attema & Werner Brouwer, 2012. "The way that you do it? An elaborate test of procedural invariance of TTO, using a choice-based design," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 13(4), pages 491-500, August.
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    7. Angela Robinson & Anne E. Spencer & José Luís Pinto-Prades & Judith A. Covey, 2017. "Exploring Differences between TTO and DCE in the Valuation of Health States," Medical Decision Making, , vol. 37(3), pages 273-284, April.
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    More about this item

    Keywords

    Time trade-off method; Utility; Attitudes; Preference elicitation; TTO;
    All these keywords.

    JEL classification:

    • I10 - Health, Education, and Welfare - - Health - - - General

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