Physical activity monitoring: Addressing the difficulties of accurately detecting slow walking speeds

S.L. Harrison, Elizabeth Horton, R. Smith, C.J. Sandland, M.C. Steiner, M.D.L. Morgan, Sally J. Singh

    Research output: Contribution to journalArticle

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    Abstract

    Objective: To test the accuracy of a multi-sensor activity monitor (SWM) in detecting slow walking speeds in patients with chronic obstructive pulmonary disease (COPD). Background: Concerns have been expressed regarding the use of pedometers in patient populations. Although activity monitors are more sophisticated devices, their accuracy at detecting slow walking speeds common in patients with COPD has yet to be proven. Methods: A prospective observational study design was employed. An incremental shuttle walk test (ISWT) was completed by 57 patients with COPD wearing an SWM. The ISWT was repeated by 20 patients wearing the same SWM. Results: Differences were identified between metabolic equivalents (METS) and between step-count across five levels of the ISWT (p
    Original languageEnglish
    Pages (from-to)361-364
    JournalHeart and Lung: The Journal of Acute and Critical Care
    Volume42
    Issue number5
    DOIs
    Publication statusPublished - 2013

    Bibliographical note

    NOTICE: this is the author’s version of a work that was accepted for publication in Heart and Lung: The Journal of Acute and Critical Care. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Heart and Lung: The Journal of Acute and Critical Care [42, 5 (2013)] DOI: 10.1016/j.hrtlng.2013.06.004].

    Keywords

    • chronic obstructive pulmonary disease
    • incremental shuttle walk test
    • physical activity
    • reliability and validity
    • sensitivity

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