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HERO ID
2332580
Reference Type
Journal Article
Subtype
Review
Title
Cardiovascular health, traffic-related air pollution and noise: are associations mutually confounded? A systematic review
Author(s)
Tetreault, LF; Perron, S; Smargiassi, A
Year
2013
Is Peer Reviewed?
Yes
Journal
International Journal of Public Health
ISSN:
1661-8556
EISSN:
1661-8564
Volume
58
Issue
5
Page Numbers
649-666
Language
English
PMID
23887610
DOI
10.1007/s00038-013-0489-7
Web of Science Id
WOS:000325013000004
Abstract
OBJECTIVES:
This review assessed the confounding effect of one traffic-related exposure (noise or air pollutants) on the association between the other exposure and cardiovascular outcomes.
METHODS:
A systematic review was conducted with the databases Medline and Embase. The confounding effects in studies were assessed by using change in the estimate with a 10 % cutoff point. The influence on the change in the estimate of the quality of the studies, the exposure assessment methods and the correlation between road noise and air pollutions were also assessed.
RESULTS:
Nine publications were identified. For most studies, the specified confounders produced changes in estimates <10 %. The correlation between noise and pollutants, the quality of the study and of the exposure assessment do not seem to influence the confounding effects.
CONCLUSIONS:
Results from this review suggest that confounding of cardiovascular effects by noise or air pollutants is low, though with further improvements in exposure assessment, the situation may change. More studies using pollution indicators specific to road traffic are needed to properly assess if noise and air pollution are subjected to confounding.
Keywords
Noise; Air pollution; Confounding; Cardiovascular
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