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Long-term residential road traffic noise and mortality in a Danish cohort

Thacher, Jesse D., Hvidtfeldt, Ulla A., Poulsen, Aslak H., Raaschou-Nielsen, Ole, Ketzel, Matthias, Brandt, Jørgen, Jensen, Steen S., Overvad, Kim, Tjønneland, Anne, Münzel, Thomas and Sørensen, Mette (2020) Long-term residential road traffic noise and mortality in a Danish cohort Environmental Research, 187, 109633.

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Transportation noise is a growing public health concern worldwide and epidemiological evidence has linked road traffic noise with mortality. However, incongruent effect estimates have been reported between incidence and mortality studies.

Therefore, the present study aimed to investigate whether long-term exposure to residential road traffic noise at the most and least exposed façades was associated with all-cause, cardiovascular disease (CVD), ischemic heart disease (IHD), stroke, respiratory, or cancer mortality in a Danish cohort study.

In a cohort of 52,758 individuals from Copenhagen and Aarhus, we estimated road traffic noise at the most and least exposed façades, as well as ambient air pollution, at all present and historical residential addresses from 1987 to 2016. Using the Danish cause of death register we identified cause-specific mortality. Analyses were conducted using Cox proportional hazards models.

Ten-year time-weighted mean road traffic noise exposure at the most exposed façade was associated with an 8% higher risk for all-cause mortality per interquartile range (IQR; 10.4 dB) higher exposure level (95% CI: 1.05–1.11). Higher risks were also observed for CVD (HR = 1.13, 95% CI: 1.06–1.19) and stroke (HR = 1.11, 95% CI: 0.99–1.25) mortality. Road traffic noise at the least exposed façade (per IQR; 8.4 dB) was associated with CVD (HR = 1.09, 95% CI: 1.03–1.15), IHD (HR = 1.10, 95% CI: 1.01–1.21) and stroke (HR = 1.06, 95% CI: 0.95–1.19) mortality. Results were robust to adjustment for PM2.5 and NO2.

In conclusion, this study adds to the body of evidence linking exposure to road traffic noise with higher risk of mortality.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
Thacher, Jesse D.
Hvidtfeldt, Ulla A.
Poulsen, Aslak H.
Raaschou-Nielsen, Ole
Brandt, Jørgen
Jensen, Steen S.
Overvad, Kim
Tjønneland, Anne
Münzel, Thomas
Sørensen, Mette
Date : August 2020
DOI : 10.1016/j.envres.2020.109633
Copyright Disclaimer : © 2020 Elsevier Ltd. All rights reserved.
Uncontrolled Keywords : Road traffic noise; Mortality; Cardiovascular disease; Cause specific; Epidemiology; Cohort
Depositing User : Clive Harris
Date Deposited : 11 Jun 2020 17:48
Last Modified : 11 Jun 2020 17:48

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