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The value of health at different ages

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  • Aki Tsuchiya

Abstract

Is the value of being healthy the same across all ages? The standard practice of economic evaluation assumes so, and does not discriminate between a QALY (Quality Adjusted Life Year) to an elderly person and one to a child. But on the other hand, it is possible to assume that the value of a healthy year is different according to age, as has been done with DALYs (Disability Adjusted Life Years). This paper is based on a series of interviews designed to elicit and to quantify preferences concerning health at different ages. There were three hypotheses to be tested: (1) that the relative value of health decreases with age, (2) that this decreasing profile is independent of a respondent’s age, and (3) that this age-related preference can be expressed on an interval scale. The results obtained did turn out to depend on a respondent’s age: a mostly negative age-value profile was obtained from younger respondents, but the profile from older respondents had a peak at middle age. Thus, the 1st and 2nd hypotheses were largely rejected. The 3rd hypothesis cannot be rejected, but it should be noted that the variance of the responses was large, thus rendering rejection somewhat less likely. To conclude, the respondents valued a unit of health differently, depending on the age of the patient. While this study does not attempt to determine the exact continuous age-value profile, it found the profile clearly declining beyond middle age.

Suggested Citation

  • Aki Tsuchiya, 2001. "The value of health at different ages," Working Papers 184chedp, Centre for Health Economics, University of York.
  • Handle: RePEc:chy:respap:184chedp
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    File URL: http://www.york.ac.uk/media/che/documents/papers/discussionpapers/CHE%20Discussion%20Paper%20184.pdf
    File Function: First version, 2001
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    Citations

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    Cited by:

    1. Stavros Petrou & Ngianga-Bakwin Kandala & Angela Robinson & Rachel Baker, 2013. "A Person Trade-Off Study to Estimate Age-Related Weights for Health Gains in Economic Evaluation," PharmacoEconomics, Springer, vol. 31(10), pages 893-907, October.
    2. Paul Dolan & Rebecca Shaw & Aki Tsuchiya & Alan Williams, 2005. "QALY maximisation and people's preferences: a methodological review of the literature," Health Economics, John Wiley & Sons, Ltd., vol. 14(2), pages 197-208.
    3. Mæstad, Ottar & Norheim, Ole Frithjof, 2012. "A universal preference for equality in health? Reasons to reconsider properties of applied social welfare functions," Social Science & Medicine, Elsevier, vol. 75(10), pages 1836-1843.

    More about this item

    Keywords

    health; QALYs; age;

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