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Related Experiment Videos

Assessing environmentally determined mobility disability: self-report versus observed community mobility.

Anne Shumway-Cook1, Aftab Patla, Anita L Stewart

  • 1Department of Rehabilitation Medicine, University of Washington, Seattle, WA 98195, USA. ashumway@u.washington.edu

Journal of the American Geriatrics Society
|April 9, 2005
PubMed
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A new questionnaire accurately measures mobility function in older adults by assessing environmental encounters. This self-report tool shows high reliability and validity, aiding in understanding mobility disability.

Area of Science:

  • Gerontology
  • Rehabilitation Science
  • Environmental Psychology

Background:

  • Mobility is crucial for independence in older adults.
  • Environmental factors significantly influence mobility.
  • Existing measures may not fully capture environment-specific mobility challenges.

Purpose of the Study:

  • To assess the test-retest reliability and concurrent validity of the Environmental Analysis of Mobility Questionnaire (EAMQ).
  • To compare EAMQ scores with observed mobility, ADL/IADL function, and performance-based gait and balance measures.

Main Methods:

  • Cross-sectional study with 54 adults aged 70+.
  • Participants completed the EAMQ twice, 1 week apart.
  • EAMQ scores were compared with observed mobility, ADL/IADL, SPPB, and Berg Balance Test.

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Main Results:

  • High test-retest reliability for EAMQ dimensions and summary scores (ICC range: 0.81-1.0).
  • Significant correlations between EAMQ scores and observed mobility (r=0.66 for encounter, r=-0.58 for avoidance).
  • EAMQ associated with ADL/IADL ability and performance on SPPB and Berg Balance Test.

Conclusions:

  • The EAMQ is a reliable and valid self-report measure of environment-specific mobility disability in older adults.
  • The findings suggest the EAMQ can effectively assess how environmental features impact mobility.
  • Further validation in larger samples is recommended.