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Journal Article

Citation

Mitchell RJ, Williamson AM. Appl. Ergon. 2000; 31(1): 83-93.

Affiliation

National Occupational Health and Safety Commission (Worksafe Australia), Sydney, NSW. mitchelr@worksafe.gov.au

Copyright

(Copyright © 2000, Elsevier Publishing)

DOI

unavailable

PMID

10709754

Abstract

Several studies exist that have conducted research into the effects of different shiftwork patterns on the individual, especially regarding 8 and 12 h rosters. The findings of these studies have been largely supportive of longer shifts, however, the effects on work performance are not as clear cut. This study aimed to examine the changeover from an 8 h roster to a 12 h roster in a power station via monitoring on-shift performance, general health and well-being, sleep and mood behaviour, as well as absence and accident data. Results suggest that the domestic and social life of workers was markedly improved under the 12 h roster. Improvements in physical health, sleeping behaviour and mood state of employees were also documented. On-shift performance measures showed an increase in error rates at the end of a 12 h shift. Ways of reducing the risk of error towards the end of a 12 h shift should be explored. The results of this study suggest that 12 h shifts are a valid alternative to 8 h shifts in this particular workplace, although tasks that require error-free activities should not be performed towards the end of a 12 h shift.


Language: en

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