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Comparison of a Thi...
Comparison of a Thigh-Worn Accelerometer Algorithm With Diary Estimates of Time in Bed and Time Asleep: The 1970 British Cohort Study
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- Inan-Eroglu, Elif (författare)
- 1The University of Sydney
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- Huang, Bo-Huei (författare)
- 1The University of Sydney
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- Shepherd, Leah (författare)
- 1The University of Sydney
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- Pearson, Natalie (författare)
- 2Loughborough University
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- Koster, Annemarie (författare)
- 3Maastricht University
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- Palm, Peter, 1975- (författare)
- Uppsala universitet,Arbets- och miljömedicin
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- Cistulli, Peter A. (författare)
- 1The University of Sydney
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- Hamer, Mark (författare)
- 5University College London
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- Stamatakis, Emmanuel (författare)
- 1The University of Sydney
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(creator_code:org_t)
- Human Kinetics, 2021
- 2021
- Engelska.
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Ingår i: Journal for the Measurement of Physical Behaviour. - : Human Kinetics. - 2575-6605 .- 2575-6613. ; 4:1, s. 60-67
- Relaterad länk:
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https://journals.hum...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background: Thigh-worn accelerometers have established reliability and validity for measurement of free-living physical activity-related behaviors. However, comparisons of methods for measuring sleep and time in bed using the thigh-worn accelerometer are rare. The authors compared the thigh-worn accelerometer algorithm that estimates time in bed with the output of a sleep diary (time in bed and time asleep). Methods: Participants (N = 5,498), from the 1970 British Cohort Study, wore an activPAL device on their thigh continuously for 7 days and completed a sleep diary. Bland–Altman plots and Pearson correlation coefficients were used to examine associations between the algorithm derived and diary time in bed and asleep. Results: The algorithm estimated acceptable levels of agreement with time in bed when compared with diary time in bed (mean bias of −11.4 min; limits of agreement −264.6 to 241.8). The algorithm-derived time in bed overestimated diary sleep time (mean bias of 55.2 min; limits of agreement −204.5 to 314.8 min). Algorithm and sleep diary are reasonably correlated (ρ = .48, 95% confidence interval [.45, .52] for women and ρ = .51, 95% confidence interval [.47, .55] for men) and provide broadly comparable estimates of time in bed but not for sleep time. Conclusions: The algorithm showed acceptable estimates of time in bed compared with diary at the group level. However, about half of the participants were outside of the ±30 min difference of a clinically relevant limit at an individual level.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- General Medicine accelerometer sleep
- Arbets- och miljömedicin
- Occupational and Environmental Medicine
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- ref (ämneskategori)
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Inan-Eroglu, Eli ...
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Huang, Bo-Huei
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Shepherd, Leah
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Pearson, Natalie
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Koster, Annemari ...
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Palm, Peter, 197 ...
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Cistulli, Peter ...
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Hamer, Mark
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Stamatakis, Emma ...
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Uppsala universitet