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Related Experiment Videos

How robust is the Health Utilities Index Mark 2 utility function?

Qinan Wang1, William Furlong, David Feeny

  • 1Division of Economics and Statistics, School of Accountancy and Business, Nanyang Technological University, Singapore.

Medical Decision Making : an International Journal of the Society for Medical Decision Making
|August 2, 2002
PubMed
Summary

The Health Utilities Index Mark 2 (HUI2) scoring function is robust and generalizes well across different parent groups, including those of cancer patients. Results remain consistent whether or not inconsistent respondents are excluded.

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Area of Science:

  • Health Economics
  • Psychometrics
  • Utility Measurement

Background:

  • The Health Utilities Index Mark 2 (HUI2) system is a widely used tool for measuring health status and utility.
  • Its scoring function is typically derived from preference measurements of a general population sample, often excluding inconsistent respondents.

Purpose of the Study:

  • To investigate the robustness and generalizability of the HUI2 scoring function.
  • To determine if excluding inconsistent respondents or using a different parent group (e.g., parents of cancer patients) would significantly alter the utility scores.

Main Methods:

  • Collected utility scores from parents of pediatric cancer patients (n=59).
  • Compared mean scores between parents of cancer patients and a general population sample.

Related Experiment Videos

  • Estimated three multiattribute utility functions and compared mean HUI2 scores derived from them.

    • Main Results:

    • Most differences in mean scores between groups were not statistically significant (P < 0.05).
    • Parameter estimates for utility functions showed minimal differences (≤0.05).
    • High intraclass correlation (0.99) and low mean score difference (0.018) were observed between functions derived from different parent groups.

    Conclusions:

    • The HUI2 scoring function demonstrates good generalizability across different parent populations.
    • The HUI2 scoring function is robust, yielding very similar scores whether or not inconsistent respondents are excluded.