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Am J Ind Med. 2013 Nov;56(11):1341-51. doi: 10.1002/ajim.22236. Epub 2013 Aug 22.

Associations of objectively measured and self-reported sleep duration with carotid artery intima media thickness among police officers.

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  • 1Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia.

Abstract

BACKGROUND:

We aimed to examine the association of objectively measured and self-reported sleep duration with carotid artery intima media thickness (IMT) among 257 police officers, a group at high risk for cardiovascular disease (CVD).

METHODS:

Sleep duration was estimated using actigraphic data and through self-reports. The mean maximum IMT was the average of the largest 12 values scanned bilaterally from three angles of the near and far wall of the common carotid, bulb, and internal carotid artery. Linear and quadratic regression models were used to assess the association of sleep duration with IMT.

RESULTS:

Officers who had fewer than 5 or 8 hr or more of objectively measured sleep duration had significantly higher maximum IMT values, independent of age. Self-reported sleep duration was not associated with either IMT measure.

CONCLUSION:

Attainment of sufficient sleep duration may be considered as a possible strategy for atherosclerosis prevention among police officers.

KEYWORDS:

actigraphy; carotid artery intima media thickness; occupational epidemiology; sleep duration

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PMID:
24038303
[PubMed - indexed for MEDLINE]
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