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Am J Ind Med. 2006 Nov;49(11):964-71.
Longitudinal relationship of work hours, mandatory overtime, and on-call to musculoskeletal problems in nurses.
Trinkoff AM, Le R, Geiger-Brown J, Lipscomb J, Lang G.
Work and Health Research Center, Department of Family and Community Health, University of Maryland School of Nursing, Baltimore, Maryland 21201, USA. Trinkoff@son.umaryland.edu
BACKGROUND: Nurses are at very high risk for work-related musculoskeletal injury/disorders (MSD) with low back pain/injury being the most frequently occurring MSD. Nurses are also likely to work extended schedules (long hours, on-call, mandatory overtime, working on days off). The purpose of this study was to examine the relationship of extended work schedules in nurses to MSD. METHODS: Using a longitudinal, three wave survey of 2,617 registered nurses, Wave 1 work schedule data were related to neck, shoulder, and back (MSD) cases occurring in Waves 2 or 3. RESULTS: Schedule characteristics increasing MSD risk included 13+ hour/days, off-shifts, weekend work, work during time off (while sick, on days off, without breaks), and overtime/on-call. These increases in risk were not explained by psychological demands, but were largely explained by physical demands. CONCLUSIONS: Adverse schedules are significantly related to nurse MSD. Healthier schedules, less overtime, and reducing work on days off would minimize risk and recovery time. Copyright (c) 2006 Wiley-Liss, Inc.