Concurrent validity of actigraph-determined sedentary time against the Activpal under free-living conditions in a sample of bus drivers
Article
Article Title | Concurrent validity of actigraph-determined sedentary time against the Activpal under free-living conditions in a sample of bus drivers |
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ERA Journal ID | 20569 |
Article Category | Article |
Authors | Mato, Veronica Varela (Author), Yates, Thomas (Author), Stensel, David (Author), Biddle, Stuart (Author) and Clemes, Stacy A. (Author) |
Journal Title | Measurement in Physical Education and Exercise Science |
Journal Citation | 21 (4), pp. 212-222 |
Number of Pages | 11 |
Year | 2017 |
Place of Publication | United States |
ISSN | 1091-367X |
1532-7841 | |
Digital Object Identifier (DOI) | https://doi.org/10.1080/1091367X.2017.1335204 |
Web Address (URL) | https://www.tandfonline.com/doi/full/10.1080/1091367X.2017.1335204 |
Abstract | This study explored the validity of ActiGraph-determined sedentary time (<50cpm, <100cpm, <150cpm, <200cpm, <250cpm) compared with the activPAL in a free-living sample of bus drivers. 28 participants were recruited between November 2013 and February 2014. Participants wore an activPAL3 and ActiGraph GT3X+ concurrently for 7 days and completed a daily diary. Time spent sedentary during waking hours on workdays, non-workdays, during working-hours and non-working hours were compared between instruments. During working hours, all ActiGraph cut-points significantly underestimated sedentary time (p<0.05), whereas during non-working hours the <50 cpm cut-point demonstrated the closest agreement (ActiGraph sedentary time: 250±75 minutes vs activPAL sedentary time: 236±65 minutes). ROC analyses revealed that on workdays and non-workdays the ActiGraph cut-points exhibited relatively low sensitivity (all <0.62) and specificity (all <0.49) values. The use of the ActiGraph to measure sedentary time in this understudied, highly sedentary and at risk occupational group is not recommended. |
Keywords | bus drivers, sedentary behaviour, validation, ActiGraph, activPAL |
ANZSRC Field of Research 2020 | 429999. Other health sciences not elsewhere classified |
420799. Sports science and exercise not elsewhere classified | |
Public Notes | Submitted version made available in accordance with the copyright policy of the publisher. |
Byline Affiliations | Loughborough University, United Kingdom |
University of Leicester, United Kingdom | |
Victoria University | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q54vv/concurrent-validity-of-actigraph-determined-sedentary-time-against-the-activpal-under-free-living-conditions-in-a-sample-of-bus-drivers
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