TABLE 1.
HIPP study participants’ baseline characteristics
| Total (n = 217) | Behavioral intervention (n = 112) | Standard care (n = 105) | |
|---|---|---|---|
| Maternal age (y), mean ± SD | 29.7 ± 5.0 | 30.4 ± 5.1 | 29.1 ± 4.8 |
| Maternal age (%) | |||
| 18-24 years | 15.7 | 12.5 | 19.1 |
| 25-29 years | 28.6 | 27.7 | 29.5 |
| 30-34 years | 37.3 | 39.3 | 35.2 |
| ≥35 years | 18.4 | 20.5 | 16.2 |
| Race/ethnicity, % | |||
| White | 55.3 | 58.0 | 52.4 |
| African American | 44.7 | 42.0 | 47.6 |
| Marital status, % | |||
| Married | 67.7 | 75.0 | 60.0 |
| Education, % | |||
| ≤12th grade or high school graduate | 40.6 | 40.2 | 40.9 |
| College, 1-3 years or more | 59.4 | 59.8 | 59.1 |
| Employed full-time during pregnancy, % | |||
| Yes | 61.3 | 61.6 | 60.9 |
| Family income, % | |||
| <$35,000 | 29.2 | 23.4 | 35.2 |
| $35,000-$49,999 | 13.9 | 15.3 | 12.4 |
| $50,000-$74,999 | 18.9 | 18.0 | 20.0 |
| ≥$75,000 | 37.9 | 43.2 | 32.4 |
| Medicaid recipient, % | |||
| Yes | 30.4 | 29.5 | 31.4 |
| Primiparous, % | 42.9 | 43.8 | 41.9 |
| Prepregnancy BMI status, % | |||
| Obesity | 51.6 | 50.0 | 53.3 |
| Prepregnancy BMI (kg/m2), mean ± SD | 32.3 ± 5.9 | 31.9 ± 5.9 | 32.7 ± 5.9 |
| Baseline weight (kg), mean ± SD | 86.9 ± 17.6 | 85.7 ± 17.5 | 88.3 ± 17.7 |
| Baseline gestational age (wk), mean ± SD | 12.6 ± 2.3 | 12.6 ± 2.3 | 12.6 ± 2.3 |
| MVPA at baseline (min/d), mean ± SD | 36.7 ± 22.4 | 38.0 ± 21.4 | 35.2 ± 23.4 |
| Total energy intake at baseline (kcal/d), mean ± SD | 1,933 ± 622 | 1,857 ± 490 | 2,014 ± 730 |
HIPP, Health in Pregnancy and Postpartum study; MVPA, moderate-to-vigorous physical activity.