Document Detail


Impact of Noise and Air Pollution on Pregnancy Outcomes.
MedLine Citation:
PMID:  24595395     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND:: Motorized traffic is an important source of both air pollution and community noise. While there is growing evidence for an adverse effect of ambient air pollution on reproductive health, little is known about the association between traffic noise and pregnancy outcomes.
METHODS:: We evaluated the impact of residential noise exposure on small size for gestational age, preterm birth, term birth weight, and low birth weight at term in a population-based cohort study, for which we previously reported associations between air pollution and pregnancy outcomes. We also evaluated potential confounding of air pollution effects by noise and vice versa. Linked administrative health data sets were used to identify 68,238 singleton births (1999-2002) in Vancouver, British Columbia, Canada, with complete covariate data (sex, ethnicity, parity, birth month and year, income, and education) and maternal residential history. We estimated exposure to noise with a deterministic model (CadnaA) and exposure to air pollution using temporally adjusted land-use regression models and inverse distance weighting of stationary monitors for the entire pregnancy.
RESULTS:: Noise exposure was negatively associated with term birth weight (mean difference = -19 [95% confidence interval = -23 to -15] g per 6 dB(A)). In joint air pollution-noise models, associations between noise and term birth weight remained largely unchanged, whereas associations decreased for all air pollutants.
CONCLUSION:: Traffic may affect birth weight through exposure to both air pollution and noise.
Authors:
Ulrike Gehring; Lillian Tamburic; Hind Sbihi; Hugh W Davies; Michael Brauer
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-3-3
Journal Detail:
Title:  Epidemiology (Cambridge, Mass.)     Volume:  -     ISSN:  1531-5487     ISO Abbreviation:  Epidemiology     Publication Date:  2014 Mar 
Date Detail:
Created Date:  2014-3-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9009644     Medline TA:  Epidemiology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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