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Time-of-day and day...
Time-of-day and days-on-shift predict increased fatigue over two-week offshore day-shifts
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Riethmeister, V. (författare)
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- Matthews, Raymond W. (författare)
- Stockholms universitet,Stressforskningsinstitutet,Karolinska Institutet, Sweden; Central Queensland University, Australia
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Dawson, D. (författare)
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de Boer, M. R. (författare)
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Brouwer, S. (författare)
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Bültmann, U. (författare)
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(creator_code:org_t)
- Elsevier BV, 2019
- 2019
- Engelska.
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Ingår i: Applied Ergonomics. - : Elsevier BV. - 0003-6870 .- 1872-9126. ; 78, s. 157-163
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- ObjectivesThe purpose of this study was to investigate the accumulation of fatigue over a two-week offshore period. In particular, the effects of (1) time-of-day and days-on-shift as well as (2) acute and chronic sleep loss on the rate at which fatigue accumulates were investigated.Methods42 day-shift offshore workers were examined. Fatigue was measured using pre- and post-shift scores on the Karolinska Sleepiness Scale (KSS). Total sleep time was measured using actigraphy (Motionwatch8, Camntech). Data was analyzed using a linear mixed model analyses.ResultsAverage sleep loss per night was 92 min (95%CI: 89.6-94.0; p <.001). Mean cumulative sleep loss across the study was 21:20hrs (SD = 08:10hrs) over the 14 days. Chronic sleep loss was significantly related to a modest increase in sleepiness (KSS) across the shift (95%CI: 0.01-0.17; p =.020) and in post-shift scores (95%CI:.07-0.19; p <.001). Time-of-day (95%CI: 0.63 to 0.01; p =.042) and days-on-shift (95%CI: 0.03-0.08; p <.001) as well as their interaction (95%CI: 0.08 to 0.00; p =.027) influenced the rate at which fatigue accumulated over a two-week offshore period.ConclusionsPre- and post-shift fatigue accumulate in different ways over the two-week offshore period. The accumulation of post-shift fatigue scores was positively related to successive days-on-shift and chronic sleep loss. Our results suggest that prolonging offshore periods will likely result in elevated fatigue risk. Accumulating fatigue and sleep loss over two-week offshore periods should be considered in fatigue risk management plans and systems.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- Fatigue risk management
- Occupational health
- Occupational safety
- Sleep
- Sleepiness
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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