Table 1.
Characteristics of the study population (N = 159)
| Characteristics | N | % |
|---|---|---|
| Maternal age (years) | ||
| ≤ 24 | 3 | 1.9 |
| 25–29 | 22 | 13.8 |
| 30–34 | 77 | 48.4 |
| ≥ 35 | 57 | 35.9 |
| Parity | ||
| 0 | 74 | 46.5 |
| ≥ 1 | 85 | 53.5 |
| Maternal race/ethnicity | ||
| Asian or Pacific islander | 45 | 28.3 |
| Black | 11 | 6.9 |
| Hispanic | 29 | 18.2 |
| White, non-Hispanic | 73 | 45.9 |
| American Indian or Alaskan Native | 1 | 0.6 |
| Maternal education | ||
| Bachelor’s degree or less | 72 | 46.5 |
| Master’s degree | 45 | 29.0 |
| Doctoral degree or professional degree | 38 | 24.5 |
| Missing | 4 | |
| Employment Status | ||
| Employed or student | 139 | 89.7 |
| Not employed | 16 | 10.3 |
| Missing | 4 | |
| Pre-pregnancy BMI | ||
| Underweight | 6 | 3.8 |
| Normal | 103 | 64.8 |
| Overweight | 32 | 20.1 |
| Obese | 18 | 11.3 |
| Gestational Diabetes | ||
| Yes | 20 | 12.6 |
| No | 139 | 87.4 |
| Gestational Hypertension | ||
| Yes | 15 | 9.4 |
| No | 144 | 90.6 |
| Pre-eclampsia | ||
| Yes | 16 | 10.1 |
| No | 143 | 89.9 |
| Season of Conception | ||
| Spring | 35 | 22.0 |
| Summer | 42 | 26.4 |
| Fall | 36 | 22.6 |
| Winter | 46 | 28.9 |