Table 1.
Characteristics of the study participants (n = 471).
| % or mean (SD) | |
|---|---|
| Age at the start of pregnancy (mean years, SD) | 29.9 (5.4) |
| Race and ethnicity (%) | |
| Non-Hispanic white | 77.6 |
| Non-Hispanic black | 12.1 |
| Other | 10.2 |
| Marital status at pregnancy (%) | |
| Married or partnered | 84.1 |
| Single/separated/divorced/widowed | 15.9 |
| Parity at the start of pregnancy (%) | |
| No children | 54.6 |
| One child | 31.6 |
| Two children | 10.2 |
| Three or more children | 3.6 |
| Education (mean years, SD) | 16.1 (2.6) |
| ≤ 12 years of education | 12.9 |
| 13-15 years of education | 17.2 |
| ≥ 16 years of education | 69.9 |
| Reported any physical activity (%)* | |
| 17-22 weeks' gestation | 96.2 |
| 27-30 weeks' gestation | 92.1 |
| 3 months postpartum | 91.3 |
| 12 months postpartum | 91.9 |
| Perceived general health at 17-22 weeks' gestation (%) | |
| Excellent | 34.6 |
| Very good | 44.2 |
| Good | 18.3 |
| Fair or poor | 3.0 |
| Bedrest required during pregnancy (%) | |
| Yes | 4.7 |
| No | 95.3 |
| Pre-pregnancy body mass index (%) | |
| Under weight | 13.6 |
| Normal weight | 57.9 |
| Overweight | 10.0 |
| Obese | 18.5 |
* Includes any reported recreational, occupational, transportation, child and adult care giving, indoor household, and outdoor household physical activity.
Values are percentages or means (with standard deviations, SD).