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Association of Long-Term Exposure to Transportation Noise and Traffic-Related Air Pollution with the Incidence of Diabetes: A Prospective Cohort Study.

Clark, C; Sbihi, H; Tamburic, L; Brauer, M; Frank, LD; Davies, HW (2017) Association of Long-Term Exposure to Transportation Noise and Traffic-Related Air Pollution with the Incidence of Diabetes: A Prospective Cohort Study. Environ Health Perspect, 125 (8). 087025. ISSN 1552-9924 https://doi.org/10.1289/EHP1279
SGUL Authors: Clark, Charlotte Elizabeth Sarah

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Abstract

BACKGROUND: Evidence for an association between transportation noise and cardiovascular disease has increased; however, few studies have examined metabolic outcomes such as diabetes or accounted for environmental coexposures such as air pollution, greenness, or walkability. OBJECTIVES: Because diabetes prevalence is increasing and may be on the causal pathway between noise and cardiovascular disease, we examined the influence of long-term residential transportation noise exposure and traffic-related air pollution on the incidence of diabetes using a population-based cohort in British Columbia, Canada. METHODS: We examined the influence of transportation noise exposure over a 5-y period (1994-1998) on incident diabetes cases in a population-based prospective cohort study (n=380,738) of metropolitan Vancouver (BC) residents who were 45-85 y old, with 4-y of follow-up (1999-2002). Annual average transportation noise (Lden), air pollution [black carbon, particulate matter with aerodynamic diameter <2.5μm (PM2.5), nitrogen oxides], greenness [Normalized Difference Vegetation Index (NDVI)], and neighborhood walkability at each participant's residence were modeled. Incident diabetes cases were identified using administrative health records. RESULTS: Transportation noise was associated with the incidence of diabetes [interquartile range (IQR) increase, 6.8 A-weighted decibels (dBA); OR=1.08 (95% CI: 1.05, 1.10)]. This association remained after adjustment for environmental coexposures including traffic-related air pollutants, greenness, and neighborhood walkability. After adjustment for coexposure to noise, traffic-related air pollutants were not associated with the incidence of diabetes, whereas greenness was protective. CONCLUSION: We found a positive association between residential transportation noise and diabetes, adding to the growing body of evidence that noise pollution exposure may be independently linked to metabolic health and should be considered when developing public health interventions. https://doi.org/10.1289/EHP1279.

Item Type: Article
Additional Information: EHP is an open-access journal published with support from the National Institute of Environmental Health Sciences, National Institutes of Health. All content is public domain unless otherwise noted.
Keywords: Aged, Aged, 80 and over, Air Pollution, British Columbia, Cardiovascular Diseases, Diabetes Mellitus, Environmental Exposure, Female, Humans, Male, Middle Aged, Noise, Transportation, Vehicle Emissions, Humans, Cardiovascular Diseases, Diabetes Mellitus, Air Pollution, Vehicle Emissions, Environmental Exposure, Noise, Transportation, Aged, Aged, 80 and over, Middle Aged, British Columbia, Female, Male, Toxicology, 11 Medical and Health Sciences, 05 Environmental Sciences
SGUL Research Institute / Research Centre: Academic Structure > Population Health Research Institute (INPH)
Journal or Publication Title: Environ Health Perspect
ISSN: 1552-9924
Language: eng
Dates:
DateEvent
31 August 2017Published
9 May 2017Accepted
Publisher License: Publisher's own licence
PubMed ID: 28934721
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/113931
Publisher's version: https://doi.org/10.1289/EHP1279

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