期刊
JOURNAL OF PSYCHOSOMATIC RESEARCH
卷 151, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychores.2021.110657
关键词
Cardiovascular disease; Fibrinogen; Interleukin 6; Job strain; Negative affect; Workplace stress
类别
资金
- Medical Research Council
- British Heart Foundation
- Health and Safety Executive
- Department of Health
- National Heart Lung and Blood Institute [HL36310]
- US, NIH: National Institute on Aging, US, NIH
- Agency for Health Care Policy Research [HS06516]
- JD and CT MacArthur Foundation Research 18 Networks on Successful Midlife Development and Socio-economic Status and Health
- La Trobe University Postgraduate Research Scholarship
This study found that workplace stress, depression symptoms, and levels of inflammation are related to future coronary heart disease (CHD) incidence. Changes in stress, depression, and inflammation can predict the occurrence of CHD events, with depression symptoms mediating the association between workplace stress and CHD incidence.
Objective: Stress, inflammation, and depression are associated to coronary heart disease (CHD). However, how these constructs collectively contribute to CHD incidence is not well understood. For the first time, this study explored the concurrent relationship between workplace stress, depression symptomology and levels of lowgrade inflammation with future CHD incidence. Methods: Data from the 5-year intervals at phase 5, 7, and 9 of the Whitehall II study (N = 8348, M-age = 56) provided measures of workplace stress, depression symptomology, inflammation (interleukin-6, C-reactive protein, fibrinogen), and CHD incidence. The proposed stress-inflammation-depression-CHD pathway was assessed with a longitudinal design incorporating a structural equation model (SEM) that measured if changes in stress, depression, and inflammation between phase 5 to phase 7 predicted first-time CHD events between phases 7 and 9. Results: The SEM empirically supported this proposed pathway and demonstrated excellent model fit, chi (72) = 3582.959, p <.001, CFI = 0.896, RMSEA = 0.076 (CI90 = 0.074, 0.079), while depression symptoms mediated the association between workplace stress and CHD incidence, B = 0.003 (CI90 = 0.001, 0.004). Further, survival analysis indicated that individuals with higher mean scores (across phases) of depression symptoms or fibrinogen levels were more likely to experience a first time CHD event. Conclusions: Increases in depression symptoms and fibrinogen levels may be good indicators of future CHD morbidity among older employees. Future research is encouraged to monitor negative affective states and the potential use of biobehavioural options to reduce depression and inflammation that may mitigate CHD risk.
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