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Association between prenatal exposure to traffic-related air pollution and preterm birth in the PELAGIE mother-child cohort, Brittany, France. Does the urban-rural context matter?
Environ Res. 2015 Oct; 142:17-24.ER

Abstract

INTRODUCTION

Evidence has accumulated that exposure to ambient air pollution during pregnancy may influence preterm birth (PTB) in urban settings. Conversely, this relation has barely been investigated in rural areas where individual characteristics (demographic, socioeconomic, and psychosocial factors) and environmental co-exposures may differ.

OBJECTIVE

We examined the association between prenatal exposure to traffic-related air pollution and PTB among pregnant women from the PELAGIE mother-child cohort (Brittany, France, 2002-2006) living in urban (n=1550) and rural (n=959) settings.

METHODS

Women's residences were classified as either urban or rural according to the French census bureau rural-urban definitions. Nitrogen dioxide (NO2) concentrations at home addresses were estimated from adjusted land-use regression models as a marker of traffic-related pollution. Associations between NO2 concentrations and PTB were assessed with logistic regression models.

RESULTS

Prevalence of PTB was similar among women living in urban (3.2%) and in rural (3.5%) settings. More positive socioeconomic characteristics and health behaviors but more single-parent families were observed among urban women. NO2 exposure averaged 20.8±6.6 µg m(-3) for women residing in urban areas and 18.8±5.6 µg m(-3) for their rural counterparts. A statistically significant increased risk of PTB was observed among women exposed to NO2 concentrations ≥16.4 µg m(-3) and residing in urban areas but not among their rural counterparts.

DISCUSSION

The results of this study, conducted in a region with interspersed urban-rural areas, are in line with previous findings suggesting an increased risk of PTB associated with higher NO2 concentrations for women living in urban areas. The absence of association among their rural counterparts for whom exposure levels were similar suggests that environmental mixtures and psychosocial inequalities might play a role in this heterogeneity.

Authors+Show Affiliations

INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; EHESP School of Public Health, Sorbonne Paris Cité, Rennes, France.INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France.INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; EHESP School of Public Health, Sorbonne Paris Cité, Rennes, France.INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France.INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; Department of Pediatrics, University Hospital, Rennes, France.INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France.INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; Department of Epidemiology and Public Health, University Hospital, Rennes, France. Electronic address: jean-francois.viel@univ-rennes1.fr.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26092808

Citation

Bertin, Mélanie, et al. "Association Between Prenatal Exposure to Traffic-related Air Pollution and Preterm Birth in the PELAGIE Mother-child Cohort, Brittany, France. Does the Urban-rural Context Matter?" Environmental Research, vol. 142, 2015, pp. 17-24.
Bertin M, Chevrier C, Serrano T, et al. Association between prenatal exposure to traffic-related air pollution and preterm birth in the PELAGIE mother-child cohort, Brittany, France. Does the urban-rural context matter? Environ Res. 2015;142:17-24.
Bertin, M., Chevrier, C., Serrano, T., Monfort, C., Rouget, F., Cordier, S., & Viel, J. F. (2015). Association between prenatal exposure to traffic-related air pollution and preterm birth in the PELAGIE mother-child cohort, Brittany, France. Does the urban-rural context matter? Environmental Research, 142, 17-24. https://doi.org/10.1016/j.envres.2015.06.005
Bertin M, et al. Association Between Prenatal Exposure to Traffic-related Air Pollution and Preterm Birth in the PELAGIE Mother-child Cohort, Brittany, France. Does the Urban-rural Context Matter. Environ Res. 2015;142:17-24. PubMed PMID: 26092808.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Association between prenatal exposure to traffic-related air pollution and preterm birth in the PELAGIE mother-child cohort, Brittany, France. Does the urban-rural context matter? AU - Bertin,Mélanie, AU - Chevrier,Cécile, AU - Serrano,Tania, AU - Monfort,Christine, AU - Rouget,Florence, AU - Cordier,Sylvaine, AU - Viel,Jean-François, Y1 - 2015/06/16/ PY - 2015/04/15/received PY - 2015/05/29/revised PY - 2015/06/01/accepted PY - 2015/6/21/entrez PY - 2015/6/21/pubmed PY - 2016/1/27/medline KW - Nitrogen dioxide KW - Preterm birth KW - Traffic-related air pollution KW - Urban–rural context SP - 17 EP - 24 JF - Environmental research JO - Environ Res VL - 142 N2 - INTRODUCTION: Evidence has accumulated that exposure to ambient air pollution during pregnancy may influence preterm birth (PTB) in urban settings. Conversely, this relation has barely been investigated in rural areas where individual characteristics (demographic, socioeconomic, and psychosocial factors) and environmental co-exposures may differ. OBJECTIVE: We examined the association between prenatal exposure to traffic-related air pollution and PTB among pregnant women from the PELAGIE mother-child cohort (Brittany, France, 2002-2006) living in urban (n=1550) and rural (n=959) settings. METHODS: Women's residences were classified as either urban or rural according to the French census bureau rural-urban definitions. Nitrogen dioxide (NO2) concentrations at home addresses were estimated from adjusted land-use regression models as a marker of traffic-related pollution. Associations between NO2 concentrations and PTB were assessed with logistic regression models. RESULTS: Prevalence of PTB was similar among women living in urban (3.2%) and in rural (3.5%) settings. More positive socioeconomic characteristics and health behaviors but more single-parent families were observed among urban women. NO2 exposure averaged 20.8±6.6 µg m(-3) for women residing in urban areas and 18.8±5.6 µg m(-3) for their rural counterparts. A statistically significant increased risk of PTB was observed among women exposed to NO2 concentrations ≥16.4 µg m(-3) and residing in urban areas but not among their rural counterparts. DISCUSSION: The results of this study, conducted in a region with interspersed urban-rural areas, are in line with previous findings suggesting an increased risk of PTB associated with higher NO2 concentrations for women living in urban areas. The absence of association among their rural counterparts for whom exposure levels were similar suggests that environmental mixtures and psychosocial inequalities might play a role in this heterogeneity. SN - 1096-0953 UR - https://www.unboundmedicine.com/medline/citation/26092808/Association_between_prenatal_exposure_to_traffic_related_air_pollution_and_preterm_birth_in_the_PELAGIE_mother_child_cohort_Brittany_France__Does_the_urban_rural_context_matter L2 - https://linkinghub.elsevier.com/retrieve/pii/S0013-9351(15)00180-2 DB - PRIME DP - Unbound Medicine ER -