Short-Term Increases in NO2 and O3 Concentrations during Pregnancy and Stillbirth Risk in the U.S.: A Time-Stratified Case-Crossover Study
Matthew Shupler,
Krista Huybrechts,
Michael Leung
et al.
Abstract:Associations between gaseous pollutant exposure and stillbirth have focused on exposures averaged over trimesters or gestation. We investigated the association between short-term increases in nitrogen dioxide (NO 2 ) and ozone (O 3 ) concentrations and stillbirth risk among a national sample of 116 788 Medicaid enrollees from 2000 to 2014. A time-stratified case-crossover design was used to estimate distributed (lag 0−lag 6) and cumulative lag effects, which were adjusted for PM 2.5 concentration and temperatu… Show more
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