Shiftwork and Diurnal Salivary Cortisol Patterns Among Police Officers

Apr 30, 2016Journal of occupational and environmental medicine

Shiftwork and Daily Changes in Stress Hormone Levels in Police Officers

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Abstract

Officers working primarily on the night shift had a significantly shallower cortisol slope compared to those on day and afternoon shifts.

  • Mean slope of the cortisol curve was -0.00332 for day shifts, -0.00313 for afternoon shifts, and -0.00257 for night shifts.
  • The variation in cortisol slopes was statistically significant with an adjusted P value of 0.023.
  • Night shiftwork may affect the body's hormonal response to daily rhythms.
  • The study involved 319 police officers, with a majority being men (77.7%).

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