alexa Job strain and autonomic indices of cardiovascular disease risk.
Psychiatry

Psychiatry

Journal of Addiction Research & Therapy

Author(s): Collins SM, Karasek RA, Costas K

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Abstract BACKGROUND: Despite the epidemiological evidence linking job strain to cardiovascular disease, more insight is needed into the etiologic mechanisms. This, in turn, would help to more precisely identify risk. METHODS: We measured Job Strain using the Job Content Questionnaire, 8/day diary reports, and nationally standardized occupational code linkage, as well as autonomic regulation utilizing heart rate variability including spectral-derived components and QT interval variability in 36 healthy mid-aged males with varying strain jobs. The subjects wore Holter-monitors for 48 hr; this included a work and rest day. RESULTS: Job strain (P = 0.02) and low decision latitude (P = 0.004) were associated with a reduction in cardiac vagal control (HFP) persisting throughout the 48 hr. Job strain was also associated with elevations in sympathetic control during working hours (P = 0.003). CONCLUSIONS: The disturbed cardiovascular regulatory pattern associated with job strain may help explain the increased risk of cardiovascular diseases linked with occupational exposure. This article was published in Am J Ind Med and referenced in Journal of Addiction Research & Therapy

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