Table 1 Characteristics of the 903 subjects
| Â | Mean (SD) | Range |
|---|---|---|
Age (yrs) | 30 (4) | 18 - 44 |
Gestational age (weeks) | 18 (2) | 12 - 37 |
Pre-pregnancy BMI (kg/m2) | 25 (7) | 15 – 45 |
HDL (mg/dL) | 67 (12) | 39 - 106 |
Total seafood intake (times/week) | 5 (5.9) | 0 - 56 |
Inter-pregnancy interval (months) | 48 (37) | 0 - 245 |
Duration of breast-feeding a previous child (months) | 8 (6) | 0 - 36 |
| Â | % | Â |
Parity | Â | Â |
  Nulliparous | 50 |  |
  Parous | 50 |  |
Smoking during pregnancy | Â | Â |
  No | 76 |  |
  Yes | 24 |  |
Maternal education | Â | Â |
  < High school | 9 |  |
  High school | 33 |  |
  Some college | 41 |  |
  ≥ 4-year college | 17 |  |