Table 1.
Sample characteristics at enrollment (n =1442), during the second trimester (n =1442) and 6 months postpartum (n =1242); mean ± SD or percent of participants
| Mean (SD) | % of subjects | |
|---|---|---|
| Enrollment | ||
| Age (years) | 32.5 (4.5) | |
| Pre-pregnancy BMI (kg/m2) | 24.5 (5.2) | |
| <25 | 65.5 | |
| 25–29.9 | 21.3 | |
| ≥30 | 13.2 | |
| Race/ethnicity | ||
| Asian | 5.6 | |
| Black | 10.0 | |
| Hispanic | 4.9 | |
| White | 76.2 | |
| Other | 3.4 | |
| At least one child already living at home | 53.4 | |
| Married | 88.0 | |
| Education (college or graduate degree) | 73.0 | |
| Annual Household Income >$70,000 | 64.7 | |
| Second trimester | ||
| Working ≥35 hours / wk | 60.0 | |
| Nauseated ≥7 consecutive days | 45.9 | |
| Vomited >10 times | 17.4 | |
| Depressed (≥13 on 0–30 Edinburgh scale) | 8.7 | |
| Gestational weight gain based on IOM Guidelines | ||
| Inadequate | 14.6 | |
| Adequate | 32.7 | |
| Excessive | 52.7 | |
| Six months postpartum | ||
| Postpartum weight retention (kg) | 3.5 (5.0) | |
| Working ≥35 hours / wk | 30.2 | |
| Depressed (≥13 on 0–30 Edinburgh scale) | 8.4 | |
| Perceived barriersa to physical activity | ||
| Lack of time | 63.5 | |
| Spending time with children | 29.8 | |
| Lack of child care | 27.0 | |
| Lack of energy | 21.0 | |
| Lack of enjoyment | 7.1 | |
| No place to exercise | 2.2 | |
a
Percent reporting that the degree of the barrier was “a lot.”
BMI, body mass index; IOM, Institute of Medicine