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. 2013 Nov;44(11):3214-6.
doi: 10.1161/STROKEAHA.113.002798. Epub 2013 Aug 29.

Occupational noise exposure and the risk of stroke

Zara A Stokholm  1 , Jens Peter Bonde, Kent L Christensen, Ase M Hansen, Henrik A Kolstad
Affiliations

Occupational noise exposure and the risk of stroke

Zara A Stokholm et al. Stroke. 2013 Nov.

Abstract

Background and purpose: Traffic noise <60 dB(A) has been associated with an increased risk of stroke. We investigated this relationship for 80 to 86 dB(A) occupational noise.

Methods: We followed 116,568 industrial and 47,679 financial workers by linkage to Danish registries 2001 through 2007. Full-shift noise levels were estimated from subsets of workers at baseline and end of follow-up.

Results: We identified 981 stroke patients and observed a 27% increased confounder-adjusted risk of stroke for industrial compared with financial workers. However, longer duration or higher noise level within the industrial workers were unrelated to the risk of stroke.

Conclusions: Our study did not support an association between occupational noise exposure and stroke, and the higher risk among industrial workers may reflect lifestyle differences.

Keywords: cohort studies; epidemiology; noise, occupational; stroke.

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