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    High usability of a smartphone application for reporting symptoms in adults with cystic fibrosis

    Access Status
    Fulltext not available
    Authors
    Wood, Jamie
    Jenkins, Susan
    Putrino, D.
    Mulrennan, S.
    Morey, S.
    Cecins, N.
    Hill, Kylie
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Wood, J. and Jenkins, S. and Putrino, D. and Mulrennan, S. and Morey, S. and Cecins, N. and Hill, K. 2017. High usability of a smartphone application for reporting symptoms in adults with cystic fibrosis. Journal of Telemedicine and Telecare.
    Source Title
    Journal of Telemedicine and Telecare
    DOI
    10.1177/1357633X17723366
    ISSN
    1357-633X
    School
    School of Physiotherapy and Exercise Science
    URI
    http://hdl.handle.net/20.500.11937/66156
    Collection
    • Curtin Research Publications
    Abstract

    © 2017, The Author(s) 2017. Introduction: In cystic fibrosis, exacerbations impair lung function and health-related quality of life, increase healthcare costs and reduce survival. Delayed reporting of worsening symptoms can result in more severe exacerbations and worse clinical outcomes; therefore there is a need for a novel approach to facilitate the early identification and treatment of exacerbations in this population. This study investigated the usability of a smartphone application to report symptoms in adults with cystic fibrosis, and the observer agreement in clinical decision-making between senior clinicians interpreting smartphone application responses. Methods: Adults with cystic fibrosis used the smartphone application weekly for four weeks. The application comprised 10 yes/no questions regarding respiratory symptoms and two regarding emotional well-being. Usability was measured with the System Usability Scale; Observer agreement was tested by providing a cystic fibrosis physician and a nurse practitioner with 45 clinical scenarios. For each scenario the clinicians, who were blinded to each other's responses, were asked to indicate whether or not they would: (i) initiate telephone contact, and/or (ii) request a clinic visit for the individual. Results: Ten participants (five female), aged mean (SD) 33 (11) years, FEV1 49 (27)% predicted completed the study. The mean (SD) System Usability Scale score was 94 (6). There was perfect agreement between clinicians for initiating contact with the participant (? = 1.0, p < 0.001), and near-perfect for requesting a clinic visit (? = 0.86, p < 0.001). Discussion: The use of a smartphone application for reporting symptoms in adults with cystic fibrosis has excellent usability and near-perfect agreement between senior clinicians when interpreting the application responses.

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