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. 2022 Mar 14;80(1):80.
doi: 10.1186/s13690-022-00834-1.

Association between insomnia and subclinical atherosclerosis among Chinese steelworkers: a cross-sectional survey

Lihua Wang #  1 , Shengkui Zhang #  1 , Miao Yu  1 , Juxiang Yuan  2
Affiliations

Association between insomnia and subclinical atherosclerosis among Chinese steelworkers: a cross-sectional survey

Lihua Wang et al. Arch Public Health. .

Abstract

Background: Insomnia is a common prevalent sleep disorder. Difficulty maintaining sleep or poor in quality in insomnia caused by disrupted or misaligned circadian rhythms may play an important role in the development of atherosclerosis. This study aimed to examine the association between insomnia and subclinical atherosclerosis in Chinese steelworkers.

Methods: A total of 3240 subjects from a large enterprise located in northern China were included in this study. The Athens Insomnia Scale (AIS) was used to assess the status of insomnia. Subclinical atherosclerosis was evaluated using ultrasonographic measurements of carotid plaque. Multivariable logistic regression was used to identify association between insomnia and carotid atherosclerosis.

Results: The overall prevalence of insomnia and carotid plaque were 35.3 and 31.7% in the study population. Compared with non-insomnia workers, significantly increased odds of carotid plaque were observed among insomnia workers after adjusting for potential confounders, odds ratio (OR) = 1.38, 95% confidence interval (CI): 1.17 to 1.63. Exposure to current shift work and insomnia simultaneously can significantly elevated the odds of carotid plaque.

Conclusion: Insomnia is associated with elevated odds of carotid atherosclerosis in male steelworkers. Insomnia problems of workers should receive further attention in occupational worker health interventions.

Keywords: Carotid plaque; Insomnia; Steelworker; Subclinical atherosclerosis.

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Conflict of interest statement

None declared.

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