Self-selected walking speed was consistent when recorded while using a cane

Research output: Contribution to journalArticle

Abstract

Objective: To assess whether loss of consistency or systematic measurement error is introduced by allowing older individuals to use a cane during measurement of self-selected walking speed (SSWS). Study Design and Setting: Observational study of women aged 65+ (Women's Health and Aging Study I, n = 1,002). Results: Of individuals who use a cane in daily life, 201 (50.76%) did not use an aid during testing. The Coefficient of Variation was low in individuals who reported cane use in daily life but did not use one in testing (10.72%), and did not vary substantially if a cane was used (12.04%). The Intra-Class Correlation Coefficient was high: 0.958 for those who reported cane use in daily life but did not use one during testing and 0.962 for those who used a cane. In both groups, Bland-Altman plots revealed a small systematic difference between the first and second trials. There was no evidence of effect modification of the association between SSWS and mobility disability by cane use during testing. Conclusion: This observational study found neither evidence of poorer consistency nor increased measurement bias in SSWS recorded while using a cane compared to using no assistive device.

Original languageEnglish (US)
Pages (from-to)622-627
Number of pages6
JournalJournal of Clinical Epidemiology
Volume61
Issue number6
DOIs
StatePublished - Jun 1 2008

Keywords

  • Assistive devices
  • Disability
  • Gait
  • Walking speed

ASJC Scopus subject areas

  • Epidemiology

Fingerprint Dive into the research topics of 'Self-selected walking speed was consistent when recorded while using a cane'. Together they form a unique fingerprint.

  • Cite this