Journal ArticleDOI
Police officers' responses to 8 and 12 hour shift schedules
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TLDR
W170, blood pressure, sleep duration, sleep quality and subjective level of alertness measures showed improvements with the new system, and critical flicker fusion showed reliable within shifts decrements, but no between system differences.Abstract:
The opportunity arose to conduct an extensive before and after study when a city police force changed from an 8 hour 12 day shift cycle to a 12 hour 8 day system. W170, blood pressure, sleep duration, sleep quality and subjective level of alertness measures showed improvements with the new system. Critical flicker fusion showed reliable within shifts decrements, but no between system differences. Oral temperature showed the expected circadian changes with no indication of phase shift under either system. Urinary catecholamine and grammatical reasoning measures showed no influence of shift-related factors. The overwhelming atmosphere of support for the new system coupled with the absence of any negative ergonomics evidence led to its adoption on a permanent basis.read more
Citations
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Journal ArticleDOI
Shift work, risk factors and cardiovascular disease
Henrik Bøggild,Anders Knutsson +1 more
TL;DR: The literature on shift work, morbidity and mortality from cardiovascular disease, and changes in traditional risk factors is reviewed and shift workers were found to have a 40% increase in risk.
Journal ArticleDOI
Psychological and psychophysiological effects of shift work
TL;DR: It should be emphasized that it does not seem possible to improve one's ability to adjust over time, even with permanent night work, and older age and "morningness" personality are related to higher than average problems in adjusting.
Journal ArticleDOI
Organizational Stressors and Police Performance
TL;DR: In this paper, the authors examined the impact of organizational stressors on police performance and concluded that organizational stress factors may be a greater source of stress due to various structural arrangements, policies and practices.
Journal ArticleDOI
Work shift duration: a review comparing eight hour and 12 hour shift systems.
TL;DR: The bulk of the evidence suggests few differences between eight and 12 hour shifts in the way they affect people, and there may even be advantages to 12hour shifts in terms of lower stress levels, better physical and psychological wellbeing, improved durations and quality of off duty sleep as well as improvements in family relations.
Journal ArticleDOI
Extended workshifts and excessive fatigue.
TL;DR: It is concluded that extended workshift schedules should be instituted cautiously and evaluated carefully, with appropriate attention given to staffing levels, workload, job rotation, environmental exposures, emergency contingencies, rest breaks, commuting time, and social or domestic responsibilities.
References
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Journal ArticleDOI
Shift work. Shift-dependent well-being and individual differences.
Torbjörn Åkerstedt,Lars Torsvall +1 more
TL;DR: Sleep length and subjective ratings of sleep quality for workers on different shifts in a three-shift system are described and inter-individual differences to possible causative factors are related.
Journal ArticleDOI
Experimental studies of shift-work II: Stabilized 8-hour shift systems.
TL;DR: It was concluded that body-temperature was as effective a predictor of overall mental efficiency in most industrial-tournament performance trends as sleep deprivation.
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Oral temperature, circadian rhythm amplitude, ageing and tolerance to shift-work
TL;DR: The object of the present study was to test the hypotheses of possible relationships between the amplitude A of the oral temperature circadian rhythm and (a) tolerance to shift- work on the one hand, and the speed of adjustment on shift-work on the other hand.
Journal ArticleDOI
Field Studies of Shift Work at an Austrian Oil Refinery I: Health and Psychosocial Wellbeing of Workers who Drop Out of Shiftwork
TL;DR: It is concluded that shift and night work leads, in a proportion of cases, to difficulties with regard to work and family life, as well as in social and health matters.