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Prenatal Exposure to Locally Emitted Air Pollutants Is Associated with Birth Weight: : An Administrative Cohort Study from Southern Sweden

Balidemaj, Festina LU orcid ; Flanagan, Erin LU orcid ; Malmqvist, Ebba LU orcid ; Rittner, Ralf LU orcid ; Källén, Karin LU ; Oudin Åström, Daniel LU and Oudin, Anna LU (2022) In Toxics 10(7).
Abstract
While prenatal exposure to ambient air pollution has been shown to be associated with reduced birth weight, there is substantial heterogeneity across studies, and few epidemiological studies have utilized source-specific exposure data. The aim of the present study was, therefore, to investigate the associations between local, source-specific exposure to fine particulate matter (PM2.5) during pregnancy and birth weight. An administrative cohort comprising 40,245 singleton births from 2000 to 2009 in Scania, Sweden, was combined with data on relevant covariates. Investigated sources of PM2.5 included all local sources together as well as tailpipe exhaust, vehicle wear-and-tear, and small-scale residential heating separately. The... (More)
While prenatal exposure to ambient air pollution has been shown to be associated with reduced birth weight, there is substantial heterogeneity across studies, and few epidemiological studies have utilized source-specific exposure data. The aim of the present study was, therefore, to investigate the associations between local, source-specific exposure to fine particulate matter (PM2.5) during pregnancy and birth weight. An administrative cohort comprising 40,245 singleton births from 2000 to 2009 in Scania, Sweden, was combined with data on relevant covariates. Investigated sources of PM2.5 included all local sources together as well as tailpipe exhaust, vehicle wear-and-tear, and small-scale residential heating separately. The relationships between these exposures, represented as interquartile range (IQR) increases, and birth weight (continuous) and low birth weight (LBW; <2500 g) were analyzed in crude and adjusted models. Each local PM2.5 source investigated was associated with reduced birth weight; average decreases varied by source (12–34 g). Only small-scale residential heating was clearly associated with LBW (adjusted odds ratio: 1.14 (95% confidence interval: 1.04–1.26) per IQR increase). These results add to existing evidence that prenatal exposure to ambient air pollution disrupts fetal growth and suggest that PM2.5 from both vehicles and small-scale residential heating may reduce birth weight. (Less)
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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
ambient air pollution, fine particulate matter, local air pollution, source-specific exposure, traffic-related air pollution, residential burning, wood-smoke, low birth weight, birth weight
in
Toxics
volume
10
issue
7
pages
14 pages
publisher
MDPI AG
external identifiers
  • scopus:85133637831
  • pmid:35878271
ISSN
2305-6304
DOI
10.3390/toxics10070366
project
How is our health affected by particles from wood burning?
language
English
LU publication?
yes
id
132b21da-97b4-41ae-84a8-cf9212b29c1d
alternative location
https://www.mdpi.com/2305-6304/10/7/366
date added to LUP
2022-09-21 15:53:22
date last changed
2023-10-13 15:11:32
@article{132b21da-97b4-41ae-84a8-cf9212b29c1d,
  abstract     = {{While prenatal exposure to ambient air pollution has been shown to be associated with reduced birth weight, there is substantial heterogeneity across studies, and few epidemiological studies have utilized source-specific exposure data. The aim of the present study was, therefore, to investigate the associations between local, source-specific exposure to fine particulate matter (PM2.5) during pregnancy and birth weight. An administrative cohort comprising 40,245 singleton births from 2000 to 2009 in Scania, Sweden, was combined with data on relevant covariates. Investigated sources of PM2.5 included all local sources together as well as tailpipe exhaust, vehicle wear-and-tear, and small-scale residential heating separately. The relationships between these exposures, represented as interquartile range (IQR) increases, and birth weight (continuous) and low birth weight (LBW; &lt;2500 g) were analyzed in crude and adjusted models. Each local PM2.5 source investigated was associated with reduced birth weight; average decreases varied by source (12–34 g). Only small-scale residential heating was clearly associated with LBW (adjusted odds ratio: 1.14 (95% confidence interval: 1.04–1.26) per IQR increase). These results add to existing evidence that prenatal exposure to ambient air pollution disrupts fetal growth and suggest that PM2.5 from both vehicles and small-scale residential heating may reduce birth weight.}},
  author       = {{Balidemaj, Festina and Flanagan, Erin and Malmqvist, Ebba and Rittner, Ralf and Källén, Karin and Oudin Åström, Daniel and Oudin, Anna}},
  issn         = {{2305-6304}},
  keywords     = {{ambient air pollution; fine particulate matter; local air pollution; source-specific exposure; traffic-related air pollution; residential burning; wood-smoke; low birth weight; birth weight}},
  language     = {{eng}},
  month        = {{07}},
  number       = {{7}},
  publisher    = {{MDPI AG}},
  series       = {{Toxics}},
  title        = {{Prenatal Exposure to Locally Emitted Air Pollutants Is Associated with Birth Weight: : An Administrative Cohort Study from Southern Sweden}},
  url          = {{http://dx.doi.org/10.3390/toxics10070366}},
  doi          = {{10.3390/toxics10070366}},
  volume       = {{10}},
  year         = {{2022}},
}