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Jon A. Wagner

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Publications by Jon A. Wagner (bibliography)

1988

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Wagner, Jon A. (1988): Time-of-Day Variations in the Severity of Injuries Suffered by Mine Shiftworkers. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 608-611.

“One means of assessing the hazard risk associated with mine work is to study the severity of injuries that occur during the course of the workday. Of special interest is the accident risk inherent in night work and rotating shiftwork. To better understand this risk, the Bureau of Mines conducted a study of accidents that occurred during a 10-year period in the taconite (iron) mining operations of the U.S. Lake Superior iron ore region. In general, accidents that occurred during the night shift resulted in more days lost per accident, compared with either the day or afternoon shifts. To control for the possibility of different accident types occurring on different shifts, part of this study focused on accidents involving equipment operation. Again, night shift accidents were shown to be significantly more severe than on the other two shifts. These results implicate work performance during night hours as being relatively impaired, perhaps due to lowered states of psychophysiological arousal, coupled with the handicap of operating in a darkened environment.”

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Wagner, Jon A. (1988): Managing Shiftwork. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. p. 766.

“As our culture increasingly depends on round-the-clock operations to provide necessary services and efficiently utilize productive capacities, more and more people are required to work shiftwork. Shiftwork, as experienced in this country, normally includes work during hours of darkness and work on weekends. Often, this round-the-clock coverage requires workers to "rotate" through three shifts (day, afternoon, and night), or to work a steady run of afternoon or night shifts. Previous research has linked shiftwork with disruptions of family life, health, sleep, safety and productivity, in a variety of work situations. In addition, a poorly designed work schedule can adversely affect job satisfaction, employee turnover, and absenteeism. Given these facts, managers need to be made more aware of these often hidden challenges facing them and their workers. The way to meet these challenges is with research, education, and implementation of improved methods of scheduling and handling the management of shift workers. Such experimental improvements have already paid benefits both on and off the job for workers in some continuous operations.”

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