期刊
JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
卷 57, 期 12, 页码 1291-1298出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/JOM.0000000000000604
关键词
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资金
- Nova Scotia Health Research Foundation
- IWK Health Centre
Objective: We aimed to examine the associations between exposure to air pollution exposure and the outcomes of preterm birth (PTB), term low birth weight (TLBW), and small for gestational age. Methods: We conducted a population-based cohort study using a perinatal database linked to land-use regression-modeled air pollution data. Results: Compared with women in the lowest quartile of toluene exposure, those in the second lowest quartile showed a positive association with PTB (odds ratio = 1.35, 95% confidence interval: 1.12, 1.63). A piecewise logistic regression breakpoint analysis identified a cut point (identifying a change in the slope) of 0.36mg/m(3) for toluene and the risk of PTB. There was also some evidence to suggest an association between sulfur dioxide and TLBW. Conclusions: This study provides some evidence to suggest that in an area of relatively low air pollution concentration, maternal exposure to some air pollutants may be associated with adverse birth outcomes.
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