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    Characteristics of a Protocol to Collect Objective Physical Activity/Sedentary Behavior Data in a Large Study: Seniors USP (Understanding Sedentary Patterns)

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    Published Version (122.3Kb)
    Date
    2018-04-30
    Author
    Dall, P. M.
    Skelton, D. A.
    Dontje, Manon L.
    Coulter, Elaine H.
    Stewart, Sally
    Cox, Simon R.
    Shaw, Richard J.
    Čukić, Iva
    Fitzsimons, C. F.
    Greig, Carolyn
    Granat, M. H.
    Der, Geoff
    Deary, Ian J.
    Chastin, SFM
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    Citation
    Dall, P M and Skelton, DA and Dontje, Manon L. and Coulter, Elaine H and Stewart, Sally and Cox, Simon R. and Shaw, Richard J. and Čukić, Iva and Fitzsimons, CF and Greig, Carolyn and Granat, M H and Der, Geoff and Deary, Ian J. and Chastin, SFM (2018) Characteristics of a Protocol to Collect Objective Physical Activity/Sedentary Behavior Data in a Large Study: Seniors USP (Understanding Sedentary Patterns). Journal for the Measurement of Physical Behaviour, 1(1), pp. 26-31.
    Abstract
    The Seniors USP (Understanding Sedentary Patterns) study measured sedentary behavior (activPAL3, 9-day wear) in older adults. The measurement protocol had three key characteristics: enabling 24-hour wear (monitor location, waterproofing), minimizing data loss (reducing monitor failure, staff training, communication), and quality assurance (removal by researcher, confidence about wear). Two monitors were not returned; 91% (n = 700) of returned monitors had seven valid days of data. Sources of data loss included monitor failure (n = 11), exclusion after quality assurance (n = 5), early removal for skin irritation (n = 8), or procedural errors (n = 10). Objective measurement of physical activity and sedentary behavior in large studies requires decisional trade-offs between data quantity (collecting representative data) and utility (derived outcomes that reflect actual behavior).
    Official URL
    http://dx.doi.org/10.1123/jmpb.2017-0004
    URI
    https://eresearch.qmu.ac.uk/handle/20.500.12289/5353
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