Figure 3
Statewide trimester-specific and total pregnancy-adjusted odds ratios (ORs) and mean difference and 95% confidence intervals per interquartile range (IQR) increase in the concentration of 3 pollutants. Models were adjusted for maternal education level, race, ethnicity, age, marital status, smoking, infant parity, zip code level percent below poverty, census tract level greenness, season of conception, and long-term trend using a natural cubic spline on conception date with 5 degrees of freedom. IQRs: First 4 Weeks NO2: 11.26 (ppb); First 6 Weeks NO2: 11.16 (ppb); First Trimester NO2: 10.90 (ppb); Second Trimester NO2: 10.88 (ppb); Third Trimester NO2: 11.01 (ppb); Total Pregnancy NO2: 10.16 (ppb); First 4 Weeks PM2.5: 3.56 (µg/m3); First 6 Weeks PM2.5: 3.30 (µg/m3); First Trimester PM2.5: 2.86 (µg/m3); Second Trimester PM2.5: 2.89 (µg/m3); Third Trimester PM2.5: 3.04 (µg/m3); Total Pregnancy PM2.5: 2.86 (µg/m3); First 4 Weeks O3: 15.81 (µg/m3); First 6 Weeks O3: 15.56 (µg/m3); First Trimester O3: 13.82 (µg/m3); Second Trimester O3: 13.51 (µg/m3); Third Trimester O3: 14.26 (µg/m3); Total Pregnancy O3: 6.23 (µg/m3).
