Work-related psychosocial stressors originate in social structures and processes, affect the human organism through psychological processes, and influence health through four types of closely interrelated mechanisms--emotional, cognitive, behavioral, and physiological. The health outcome is modified by situational (e.g., social support) and individual factors (e.g., personality, coping repertoire). The work-environment-stress-health system is a dynamic one with many feedback loops. There is little but increasing direct evidence of a causal relationship between work-related psychosocial stressors and the incidence and prevalence of occupational morbidity and mortality. But, a substantial body of indirect evidence strongly suggests that such associations exist and emphasizes the need to better understand their role. Accordingly, research and health action should aim at being systems-oriented, interdisciplinary, intersectorial, health- (and not only disease-) oriented, and participative.
We prospectively followed a cohort of 354 blue-collar men and women, some of whom lost their jobs. Results show marked effects during the anticipatory and early unemployement phase on mental well-being, serum cortisol, prolactin, total cholesterol, HDL cholesterol, and phytohemagglutinin reactivity of lymphocytes. Most of these changes appear to be of short-term duration. However, changes in cardiovascular risk factors are observed at least 2 years following the loss of one’s job. Coping style appears to be a major determinant whether or not and how people will react to unemployment.
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