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Related Experiment Videos

Measuring disability with parsimony.

L M Verbrugge1, S S Merrill, X Liu

  • 1Institute of Gerontology, University of Michigan, Ann Arbor 48109-2007, USA. verbrugg@umich.edu

Disability and Rehabilitation
|June 25, 1999
PubMed
Summary
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A single global disability item can effectively capture various disabilities in health surveys for older adults. This approach offers a concise yet comprehensive measure, distinct from self-rated health.

Area of Science:

  • Gerontology
  • Public Health
  • Survey Methodology

Background:

  • Health surveys, particularly for older adults, often contain extensive disability-related questions.
  • There is a need for a concise, overarching disability measure for efficient data collection.

Purpose of the Study:

  • To explore the development and utility of a single global disability item for surveys.
  • To assess if parsimony in disability measurement is achievable through a single question or reduced item sets.

Main Methods:

  • Analysis of public-use data sets (AHEAD, HRS, BRFSS).
  • Examination of the relationships between a global disability item, detailed disability items, and global health status.

Main Results:

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  • A global disability item demonstrates good coverage of specific disabilities.
  • The global disability item is statistically distinct from self-rated health, validating its unique contribution.

    • Conclusions:

    • Routine incorporation of a global disability item into health surveys is recommended.
    • Suggestions for designing effective global disability items are provided to facilitate implementation.