Precarious schedules linked with workplace aggression in a high-risk occupation

David Hurtado, Lisset M. Dumet, Samuel A. Greenspan, Miguel Marino, Kimberly Bernard

Research output: Contribution to journalArticle


Introduction: Night work and prolonged work hours increase the risk for workplace aggression, however, the risk related to precarious schedules remains unknown. Methods: Cross-sectional study among Parole Probation Officers (PPOs) (n=35). A precarious schedules index was created including the following indicators (a) experiencing one or more unexpected shifts during the last 4 weeks; (b) having minimal control over work hours; and (c) shifts notifications of less than a week. Generalized Poisson Regressions estimated the association between precarious schedules and self-reported client-based aggressive incidents (verbal, threating, property, or physical) during the last 12 months. Results: Workplace aggression was highly prevalent (94.3%). PPOs who experienced precarious schedules (74.3% prevalence) had an adjusted rate of workplace aggression 1.55 times greater than PPOs without precarious schedules (IRR=1.55, 95% CI 1.25, 1.97, P<0.001). Conclusions: Precarious schedules were associated with workplace aggression. Further research ought to examine whether improving schedule predictability may reduce client-based aggression.

Original languageEnglish (US)
JournalAmerican Journal of Industrial Medicine
StateAccepted/In press - Jan 1 2017


  • Parole probation officers
  • Precarious schedules
  • Workplace aggression

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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