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Associations of work hours, job strain, and occupation with endothelial function: the Multi-Ethnic Study of Atherosclerosis (MESA).


ABSTRACT: OBJECTIVE:To investigate associations of work hours, job control, job demands, job strain, and occupational category with brachial artery flow-mediated dilation (FMD) in 1499 Multi-Ethnic Study of Atherosclerosis participants. METHODS:Flow-mediated dilation was obtained using high-resolution ultrasound. Mean values of FMD were examined across categories of occupation, work hours, and the other exposures using regression analyses. RESULTS:Occupational category was significantly associated with FMD overall, with blue-collar workers showing the lowest mean values-management/professional = 4.97 ± 0.22%; sales/office = 5.19 ± 0.28%; services = 4.73 ± 0.29%; and blue-collar workers = 4.01 ± 0.26% (adjusted P < 0.001). There was evidence of effect modification by sex (interaction P = 0.031)-significant associations were observed among women (adjusted P = 0.002) and nearly significant results among men (adjusted P = 0.087). Other exposures were not significantly associated with FMD. CONCLUSIONS:Differences in endothelial function may account for some of the variation in cardiovascular disease across occupational groups.

SUBMITTER: Charles LE 

PROVIDER: S-EPMC4225634 | biostudies-literature | 2014 Nov

REPOSITORIES: biostudies-literature

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Associations of work hours, job strain, and occupation with endothelial function: the Multi-Ethnic Study of Atherosclerosis (MESA).

Charles Luenda E LE   Fekedulegn Desta D   Landsbergis Paul P   Burchfiel Cecil M CM   Baron Sherry S   Kaufman Joel D JD   Stukovsky Karen Hinckley KH   Fujishiro Kaori K   Foy Capri G CG   Andrew Michael E ME   Diez Roux Ana V AV  

Journal of occupational and environmental medicine 20141101 11


<h4>Objective</h4>To investigate associations of work hours, job control, job demands, job strain, and occupational category with brachial artery flow-mediated dilation (FMD) in 1499 Multi-Ethnic Study of Atherosclerosis participants.<h4>Methods</h4>Flow-mediated dilation was obtained using high-resolution ultrasound. Mean values of FMD were examined across categories of occupation, work hours, and the other exposures using regression analyses.<h4>Results</h4>Occupational category was significan  ...[more]

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