Participant characteristics and exposures* | Frequency (%) or mean (SD) (N = 80) | ||
---|---|---|---|
Age (years) | 32.4 ± 5.0 | ||
BMI (Kg/m2) | 24.0 ± 4.3 | ||
Education level – college/university degree | 71 (89) | ||
Household income | Below $50Â k | 4 (5) | |
 | Above $100 k | 44 (55) | |
Parity | Primiparous | 37 (46) | |
 | Multiparous | 43 (54) | |
Ever smoked more than 100 cigarettes | 25 (32) | ||
Smoke currently | 2 (3) | ||
Exposed to second hand smoke | 18 (23) | ||
Exposed to second hand smoke inside home | 3 (4) | ||
Road density in postal code (km/km2) | 2.03 ± 1.32 | ||
Highway density in postal code (km/km2) | 0.41 ± 0.37 | ||
Home Characteristics # | Pregnancy (N = 56) | Post-birth (N = 53) | |
Moth balls used | 5 (9%) | 0 (0%) | |
House with an attached garage and connecting door | 25 (45%) | 24 (45%) | |
Fireplace | 33 (59%) | 33 (62%) | |
  Wood | 16 (29%) | 13 (25%) | |
  Natural gas | 14 (25%) | 17 (32%) | |
Heating type | Â | Â | |
  Electric | 3 (5%) | 6 (11%) | |
  Natural gas | 46 (82%) | 39 (74%) | |
  Oil |  | 4 (7%) | 6 (11%) |