Table 2.
Selected sociodemographic, lifestyle, and pregnancy characteristics of the study participants (N = 781).
| Number | Percent | |
|---|---|---|
| Age in years | ||
| <=20 | 76 | 9.7 |
| 21–34 | 596 | 76.3 |
| >=35 | 109 | 14.0 |
| Race | ||
| White | 548 | 70.2 |
| Black | 161 | 20.6 |
| Other | 72 | 9.2 |
| Marital status | ||
| Not married | 226 | 28.9 |
| Education in years | ||
| High school or less (<=12) | 181 | 23.2 |
| Some college (13–15) | 162 | 20.7 |
| College graduation | 438 | 56.1 |
| Percent of the poverty line based on household income | ||
| <100 | 120 | 16.1 |
| 100–200 | 100 | 13.4 |
| >200 | 526 | 70.5 |
| Body mass index before pregnancy | ||
| Underweight < 19.8 kg/m2 | 104 | 13.5 |
| Normal: 19.8–<26.0 kg/m2 | 369 | 48.0 |
| Overweight: 26–<29.0 kg/m2 | 88 | 11.4 |
| Obese: >=29.0 kg/m2 | 208 | 27.1 |
| Chronic hypertension | 67 | 9.0 |
| Preexisting diabetes | 36 | 4.8 |
| Smoking | ||
| Non-smoker | 492 | 69.2 |
| Past smoker | 104 | 14.6 |
| Current smoker | 115 | 16.2 |