Measuring fatigue-related impairment in the workplace

Powell, R I and Copping, A G (2016) Measuring fatigue-related impairment in the workplace. Journal of Engineering, Design and Technology, 14(3), pp. 507-525.

Abstract

Purpose This research was founded on the premise that more can be done to help improve safety in the global construction industry. Worker fatigue-impairment may be an underlying cause or major contributor to accidents. Fatigue-impairment is believed to be pervasive in construction, and research has shown it can be as concerning as alcohol-impairment. When fatigue-impairment is acknowledged as existing, there is poor understanding of its severity or how it contributes to performance and accidents. The purpose of this research was to attempt to measure fatigue-impairment in real time. Design/methodology/approach This research expanded on actual measurements of fatigue-related impairment from workers on a large construction project displaying significant fatigue-related impairment. The research identified and tested possible techniques for real-time measurement solutions to assist with this safety-related issue. 100 participants had their sleep/wake cycles monitored for a month with an actigraph to derive their on-going mental effectiveness levels by the minute. The same participants took cognitive tests over the month to compare mental performance results to the modelled mental effectiveness levels. Findings Performance results from cognitive tests were compared with modelled mental effectiveness from actigraph-monitored sleep of 100 participants for a month each and showed significant correlation for all cognitive tests used. Practical implications This research showed that real-time surrogate measurements for fatigue-impairment in the workplace exist to assist organizations manage an important workplace hazard. Originality/value Derived from operational settings, this research developed predictive models based on simple, quick and inexpensive cognitive tests as screening techniques for workplace impairment and confirmed the need for and found a solution for fatigue monitoring in the workplace.

Item Type: Article
Uncontrolled Keywords: fatigue; safety; sleep; accidents; impairment; cognitive tests
Index terms: screening, cognitive test, effectiveness, real time, global construction, monitoring, fatigue, large construction project, alcohol, methodology, impairment
Subjects: strategic management, control systems, psychology, management, research methods, performance management, organizational theory, project controls, health conditions and diseases, cognitive psychology
Topics: Site Management, Time Control, Human Resources, Quality Management, International Construction, Project Management, Research Practice, Health and Safety
Descriptive scope: 3 PCT

N.B. Descriptive scope is a count of how many of the five facets of empirical research are indicated by the words used in title, abstract and keywords. It is not intended as a judgement on the research; merely a count of the kind of word we would expect to indicate Phenomenon, Concepts, Theoretical framing, Empirical techniques, Analytical techniques. If all five are present, then a code of “5 PCTEA” will indicate this. If you feel the coding for this record is questionable, we welcome discussion around the terms we matched or the way we categorized them. The facet you would expect may not be coded, or a facet may be coded inappropriately. This can also bear on a larger question, of which facets should be treated as defining in construction management research. Please get in touch, and we will look at it. More details here