Variables | In study year |
---|---|
Pregnant Women characteristics | |
 Age (year); median (IQR) | 28 (8) |
 Pre-pregnancy BMI (kg/m2); median (IQR) | 21.2 (5.9) |
 Gestational age (week); median (IQR) | 26 (4) |
 Self-reported tobacco exposure at home | |
  Yes; N (%) | 75 (30) |
  No; N (%) | 175 (70) |
 Abortion history | |
  Yes; N (%) | 90 (25) |
  No; N (%) | 160 (75) |
 Family history of diabetes | |
  Yes; N (%) | 24 (11) |
  No; N (%) | 189 (89) |
 Parity (N); median (IQR) | 2 (2) |
 Illiterate adults per census tract (%); median (IQR) | 22.2 (15.3) |
 Unemployed adults per census tract(%); median (IQR) | 7.0 (4.5) |
Glucose concentrations (mg/dL); median (IQR) | |
 FBG | 69 (8) |
 1-h post-load glucose | 112 (35) |
 2-h post-load glucose | 100 (26) |
Particulate matter pollutants (μg/m3); median (IQR) | |
 PM1 | 40.8 (14.7) |
 PM2.5 | 47.4 (21.5) |
 PM10 | 52.9 (23.7) |
Traffic indicators (m); median (IQR) | |
 Total street length in a 100 m buffer | 905 (257) |
 Total street length in a 300 m buffer | 7756 (2035) |
 Total street length in a 500 m buffer | 20,704 (6292) |
 Proximity to major roads | 321 (388) |