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Related Experiment Videos

Measuring functioning and health in the very old

A L Siu1, R D Hays, J G Ouslander

  • 1UCLA Multicampus Program in Geriatric Medicine and Gerontology.

Journal of Gerontology
|January 1, 1993
PubMed
Summary

Brief health measures show good validity in older adults. Self-reported physical functioning and multidimensional health assessments are reliable for assessing health in long-term care residents.

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Area of Science:

  • Gerontology
  • Health Measurement
  • Psychometrics

Background:

  • Assessing health in older adults, particularly those in long-term care, is complex.
  • Brief multidimensional health measures are needed for efficient and valid assessment.
  • Existing measures may vary in their reliability and validity.

Purpose of the Study:

  • To evaluate the validity of brief multidimensional health measures.
  • To compare self-reported health measures with performance-based assessments.
  • To examine the construct validity of health measures in a long-term care population.

Main Methods:

  • Study involved 155 new residents of a long-term care institution.
  • Collected self-reported data on various health aspects.

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  • Utilized performance-based measures for physical and cognitive function.

    • Main Results:

    • High correlations (average 0.64) were found between paired self-reported health dimensions.
    • Moderate correlations (average 0.49) existed between self-reports and performance-based measures.
    • Factor analysis indicated that similar health dimensions, regardless of measurement method, loaded onto the same factors.

    Conclusions:

    • Brief multidimensional measures of health demonstrate acceptable validity in the elderly.
    • Self-reported physical functioning measures are valid in very old individuals.
    • Measurement methods for physical and role function showed good convergence.