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Shift work and long-term injury among police officers.
Violanti JM; Fekedulegn D; Andrew ME; Charles LE; Hartley TA; Vila B; Burchfiel CM
Scand J Work Environ Health 2013 Jul; 39(4):361-368
Objective: Our previous work has suggested that the incidence of any occurrence of injury leave among police officers is higher on night shifts. In this study, we extended our inquiry to determine whether the incidence of long-term injury leave varies across shifts. Methods: Police officers (N=419) from an urban department were included in the analysis. Daily payroll work history data from 1994-2010 was collected. Injury leave duration was examined ranging from >1 - >90 days. Poisson regression models were used to compute incidence rates (IR) and incidence rate ratios (IRR) of long-term injury. Results: Cumulative incidence of injury for different durations of leave defined as >1, >5, >10, >15, >30, and >90 days were 61.3%, 45.4%, 39.9%, 33.9%, 26.5%, and 9.6% respectively. Age-and gender adjusted IRR of long-term injury (>90 days) for night versus day shifts was IRR 3.12, 95% confidence interval (95% CI) 126.96.36.199 and IRR 2.21, 95% CI 1.04.4.68, for night versus afternoon shifts. Among all durations examined, the largest IRR was for injury >90 days, night versus day shifts (IRR 3.12, 95% CI 188.8.131.52). Conclusions: Night shift work was significantly associated with long-term injury among police officers after adjustment for age and gender. Although type of injury was not available, it is possible that variation in injury type across shifts might account for some of this association.
Police-officers; Law-enforcement; Shift-work; Injuries; Accidents; Analytical-processes; Statistical-analysis; Workers; Work-capacity; Work-environment; Accident-prevention; Fatigue; Sleep-deprivation; Sleep-disorders; Emergency-responders; Author Keywords: accident prevention; atypical work hour; law enforcement; occupational injury; work history
John M. Violanti, Social and Preventive Medicine, School of Public Health and Health Professions, University at Buffalo, the State University of New York, Buffalo, NY, 14214
Grant-Number-R01-OH-009640; Contract-200-2003-01580; M082013
Issue of Publication
Services: Public Safety
Scandinavian Journal of Work, Environment & Health
NY; WV; WA
State University of New York at Buffalo
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division