Temporal Variation in Air Pollution Concentrations and Preterm Birth—A Population Based Epidemiological Study
Bibliographic Data
| ID | 15474184 |
|---|---|
| Authors | Daniel Olsson (0000-0002-8965-4312, Umeå University, corresponding author), David Olsson (0000-0003-0745-2133, Umeå University), Magnus Ekström (0000-0002-7227-5113, Swedish University of Agricultural Sciences), Bertil Forsberg (0000-0002-0159-6657, Umeå University) |
| Year | 2012 |
| Volume | 9 |
| Issue | 1 |
| Pages | 272-285 |
| Publication date | 2012-01-18 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph9010272 |
| PMID | 22470291 |
| PMCID | PMC3315074 |
| OpenAlex | W2153594809 |
| Language | EN |
| Citations received | 3 |
| References cited | 30 |
There is growing evidence of adverse birth outcomes due to exposure to air pollution during gestation. However, recent negative studies are also reported. The aim of this study was to assess the effect of ozone and vehicle exhaust exposure (NO(2)) on the length of the gestational period and risk of preterm delivery. We used data from the Swedish Medical Birth Registry on all vaginally delivered singleton births in the Greater Stockholm area who were conceived during 1987-1995 (n = 115,588). Daily average levels of NO(2) (from three measuring stations) and ozone (two stations) were used to estimate trimester and last week of gestation average exposures. Linear regression models were used to assess the association between the two air pollutants and three exposure windows, while logistic regression models were used when analyzing associations with preterm delivery (<37 weeks gestation). Five percent were born preterm. The median gestational period was 40 weeks. Higher levels of ozone during the first trimester were associated with shorter gestation as well as with an elevated risk of preterm delivery, the odds ratio from the most complex model was 1.06 (95% CI: 1.00-1.13) per 10 μg/m(3) increase in the mean daily 8-h maximum concentration. Higher levels of ozone during the second trimester were associated with shorter gestation but the elevated risk of preterm delivery was not statistically significant. Higher levels of ozone and NO(2) during the last week of gestation were associated with a shorter duration of gestation and NO(2) also with preterm delivery. There were no significant associations between first and second trimester NO(2) exposure estimates and studied outcomes. The effect of first trimester ozone exposure, known to cause oxidative stress, was smallest among women who conceived during autumn when vitamin D status, important for fetal health, in Scandinavian women is the highest
Biology · Environmental health · Gestation · Gestational age · Logistic regression · Obstetrics · Odds ratio · Population · Pregnancy · Premature birth · Air Quality and Health Impacts · Climate Change and Health Impacts · Global Health Care Issues · Medicine · Epidemiology · Internal Medicine
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| Unique citing works | 3 |
|---|---|
| Citations per year | 0.5 |
| Citation span | 2020 - 2021 (2) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 3 |