Seafarer fatigue: a review of risk factors, consequences for seafarers’ health and safety and options for mitigation

Jepsen, Jørgen Riis; Zhao, Zhiwei; Leeuwen, Wessel van

doi:10.5603/imh.2015.0024

Cited by 130 publications

(99 citation statements)

References 98 publications

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“…In addition, the extension of working life is a major challenge in terms of elevated human error 3–5 , and health risks linked to stress and anxiety 6 . Fatigue development in sedentary computer work may be exacerbated by mental demands 7 .…”

Section: Introductionmentioning

confidence: 99%

Eye movement characteristics reflected fatigue development in both young and elderly individuals

Marandi

Madeleine

Omland

et al. 2018

Sci Rep

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Fatigue can develop during prolonged computer work, particularly in elderly individuals. This study investigated eye movement characteristics in relation to fatigue development. Twenty young and 18 elderly healthy adults were recruited to perform a prolonged functional computer task while their eye movements were recorded. The task lasted 40 minutes involving 240 cycles divided into 12 segments. Each cycle consisted of a sequence involving memorization of a pattern, a washout period, and replication of the pattern using a computer mouse. The participants rated their perceived fatigue after each segment. The mean values of blink duration (BD) and frequency (BF), saccade duration (SCD) and peak velocity (SPV), pupil dilation range (PDR), and fixation duration (FD) along with the task performance based on clicking speed and accuracy, were computed for each task segment. An increased subjective evaluation of fatigue suggested the development of fatigue. BD, BF, and PDR increased whereas SPV and SCD decreased over time in the young and elderly groups. Longer FD, shorter SCD, and lower task performance were observed in the elderly compared with the young group. The present findings provide a viable approach to develop a computational model based on oculometrics to track fatigue development during computer work.

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Section: Introductionmentioning

confidence: 99%

Eye movement characteristics reflected fatigue development in both young and elderly individuals

Marandi

Madeleine

Omland

et al. 2018

Sci Rep

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“…A multitude and combinations of risk factors on board can have an adverse health effect on seafarers' cardiovascular health [7,10,11,24] and lead to elevated BP in seafarers [24][25][26]. Health consequences such as overweight and diabetes are other frequent consequences of life at sea that are related to hypertension [8].…”

Section: Risk Factors On Boardmentioning

confidence: 99%

Hypertension among Danish seafarers

Jepsen

2016

International Maritime Health

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“…In military, naval, and high-reliability organizations, this distinction might also play an important role. Here restrictions on available time to sleep might reduce sleep quantity, but not necessarily sleep quality (Jepsen, Zhao & van Leeuwen, 2015), and increasing sleep debt might paradoxically increase perceived sleep quality after sustained operations (Miller, 2008). In comparison, there is no direct way to compensate for poor sleep quality because repeated awakenings and trouble falling and staying asleep lead to less restorative sleep, even when there are few or no restrictions on sleep time (Harvey, 2008).…”

Section: Introductionmentioning

confidence: 99%

It's been a hard day's night: A diary study on hardiness and reduced sleep quality among naval sailors

Nordmo

Olsen

Hetland

et al. 2020

Personality and Individual Differences

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Several people have contributed to the completion of this PhD thesis, and I would like to express my gratitude to them. First, thanks to all of the contributors and participants in the Royal Norwegian Navy. Ragnar Vaernes at Falc Nutec, for stimulating my interest in operational research. My main supervisor Dr. Olav Kjellevold Olsen, without whom this project never would have seen the light of day. Thank you for the guidance, trust, thoughtful discussions, and showing me how to thrive as an academic. My co-supervisor and somnologist par excellence, Professor Ståle Pallesen. My other co-supervisor Dr. Roar Espevik for his hands-on contributions to the data collection and discussions, and Dr. Jørn Hetland for introducing me to shortitudinal multi-level analysis. I would also like to thank my family for all their support. I also wish to thank Sondre Aasen Nilsen for all the therapeutic debriefings. Lastly, a special thanks to Veronica for making me more resilient. Thanks for all the love.

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Seafarer fatigue: a review of risk factors, consequences for seafarers’ health and safety and options for mitigation

Cited by 130 publications

References 98 publications

Eye movement characteristics reflected fatigue development in both young and elderly individuals

Eye movement characteristics reflected fatigue development in both young and elderly individuals

Hypertension among Danish seafarers

It's been a hard day's night: A diary study on hardiness and reduced sleep quality among naval sailors

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