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Published on: January 28, 2014
A cardiovascular study of shift workers with respect to coronary artery disease risk factor prevalence
1British Nuclear Fuels plc, Sellafield, Seascale, Cumbria, UK.
Insights
Shift work does not appear to negatively impact cardiovascular health. This study found no significant differences in coronary heart disease risk factors between shift workers and day workers.
Area of Science:
- Occupational Health
- Cardiovascular Medicine
- Epidemiology
Background:
- Shift work is common in many industries.
- Previous studies on shift work and cardiovascular health have yielded inconclusive results.
- Understanding the cardiovascular implications of shift work is crucial for public health.
Purpose of the Study:
- To investigate the association between shift work and established coronary heart disease risk factors.
- To compare cardiovascular health indicators in shift workers versus day workers.
- To contribute evidence regarding the cardiovascular safety of shift work.
Main Methods:
- A case-control study design was employed.
- Fifty-seven shift workers were matched with day worker controls based on age, smoking status, and occupational class.
- Key cardiovascular risk factors including blood pressure, body mass index, plasma cholesterol, and electrocardiograms were assessed.
Main Results:
- No statistically significant differences were observed in blood pressure between shift workers and controls.
- Body mass index, plasma cholesterol levels, and resting electrocardiogram results showed no significant variations between the two groups.
- The study did not find evidence of adverse cardiovascular effects linked to shift work.
Conclusions:
- The findings support previous research indicating no conclusive adverse cardiovascular impact of shift work.
- Shift work does not appear to be a significant risk factor for coronary heart disease based on the studied parameters.
- Further research may explore other potential health outcomes associated with shift work.
Abstract:
Fifty-seven shift workers were matched for age, cigarette smoking and blue-collar/white-collar status against day worker controls. The recognised coronary heart disease risk factors, blood pressure, body mass index, random plasma cholesterol and resting electrocardiograms were compared between both groups. None of these investigations gave a statistically significant difference between the two groups. The study supports the conclusion of previous morbidity and mortality studies which have failed to show any conclusive evidence of an adverse effect of shift working on the cardiovascular system.
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