Association of occupational stress with waking, diurnal, and bedtime cortisol response in police officers

被引:16
作者
Allison, Penelope [1 ]
Mnatsakanova, Anna [1 ]
Fekedulegn, Desta B. [1 ]
Violanti, John M. [2 ]
Charles, Luenda E. [1 ]
Hartley, Tara A. [1 ]
Andrew, Michael E. [1 ]
Miller, Diane B. [3 ]
机构
[1] NIOSH, Bioanalyt Branch, Hlth Effects Lab Div, Ctr Dis Control & Prevent, 1095 Willowdale Rd,MS 4050, Morgantown, WV 26505 USA
[2] SUNY Buffalo, Dept Epidemiol & Environm Hlth, Sch Publ Hlth & Hlth Profess, Buffalo, NY USA
[3] NIOSH, Toxicol & Mol Biol Branch, Hlth Effects Lab Div, Ctr Dis Control & Prevent, Morgantown, WV 26505 USA
关键词
SALIVARY CORTISOL; CARDIOVASCULAR-DISEASE; PSYCHOLOGICAL STRESS; RISK-FACTORS; WORK STRESS; RHYTHM; PREDICTOR; BRAIN; RELIABILITY; MORTALITY;
D O I
10.1002/ajhb.23296
中图分类号
Q98 [人类学];
学科分类号
030303 ;
摘要
Objective Police officers have higher rates of cardiovascular disease (CVD) morbidity and mortality than the U.S. general population. Officers are exposed to conventional and unexpected workplace stressors. The hypothalamic-pituitary-adrenal (HPA) axis plays a major role responding to stressor exposure by releasing cortisol. Prolonged release or excessive levels may result in disease. Our study investigated cross-sectional associations between self-reported work stress and various salivary cortisol parameters. Methods A total of 285 police officers (76.5% male) from the Buffalo Cardio-Metabolic Occupational Police Stress (BCOPS) Study (2004-2009) completed the Spielberger Police Stress Survey, reporting frequency and severity of work events during the past month and year to calculate stress indices. Officers provided saliva samples to measure levels of cortisol secretion. Linear regression assessed associations between stress indices and various cortisol parameters, adjusted for age, gender, race/ethnicity, abdominal height, and smoking status. Results Significant positive associations were observed between stress indices (overall stress, physical danger stress, and past-month lack of support) and diurnal cortisol (AUCg: total area under the curve). Administrative, overall, and physical danger stress in the past year were significantly associated with the diurnal slope. Overall, administrative, and physical danger stress were significantly associated with bedtime levels. There were no significant associations between the stress indices and the awakening cortisol parameters. Conclusions Higher stress ratings were related to blunted diurnal decline in cortisol, suggesting conventional and unexpected police stressors may result in HPA axis dysfunction. Future studies investigating possible associations between elevated cortisol and subclinical CVD are needed.
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页数:12
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