Table 1.
Baseline characteristics of the study participants (N = 219), by randomization assignment
| Behavioral Intervention (n = 112) |
Standard Care (n = 107) |
|||
|---|---|---|---|---|
| Characteristic | % | n | % | n |
| Race | ||||
| Black/African American | 42.0 | 47 | 46.7 | 50 |
| White | 58.0 | 65 | 53.3 | 57 |
| Married | 75.0 | 84 | 58.9 | 63 |
| College graduate | 59.2 | 67 | 58.9 | 63 |
| Employed full time | 61.6 | 69 | 60.8 | 65 |
| Nulliparous | 43.8 | 49 | 42.1 | 45 |
| Overweight | 50.0 | 56 | 53.3 | 57 |
| Obese | 50.0 | 56 | 46.7 | 50 |
| Mean (SD) | Median | Mean (SD) | Median | |
| Age, years | 30.4 (5.2) | 31.0 | 29.1 (4.8) | 30.0 |
| Gestation at baseline, weeks | 12.6 (2.4) | 12.6 | 12.6 (2.3) | 12.6 |
| Prepregnancy BMI, kg/m2 | 33.0 (6.6) | 31.2 | 33.9 (6.1) | 33.5 |
| Total PA, minutes/day | 256.2 (95.4) | 276.1 | 235.2 (93.0) | 229.2 |
| Light PA, minutes/day | 218.2 (83.5) | 220.6 | 200.1 (77.1) | 191.1 |
| MVPA, minutes/day | 38.0 (21.4) | 34.7 | 35.2 (23.4) | 32.8 |
| Sedentary minutes/day | 1148.6 (98.5) | 1142.6 | 1169.4 (95.0) | 1187.5 |
| Steps/day | 5560.7 (2021.5) | 5446.8 | 5145.1 (2296.6) | 4727.1 |
| Diet quality (HEI-2015) | 53.1 (13.0) | 53.2 | 50.9 (10.4) | 51.3 |
| Kcals/day | 1857.0 (489.6) | 1854.6 | 2013.5 (729.5) | 1941.2 |
| Fruit, cup equivalents/day | 1.2 (1.1) | 1.0 | 1.0 (1.2) | 0.7 |
| Vegetables, cup equivalents/day | 1.6 (1.0) | 1.4 | 1.7 (1.2) | 1.4 |
| % Whole grains | 12.4 (14.6) | 6.8 | 11.5 (14.2) | 7.1 |
| Added sugar, % of kcals | 12.3 (8.2) | 10.9 | 11.4 (7.0) | 10.8 |
| Saturated fat, % of kcals | 11.7 (2.9) | 11.7 | 12.6 (2.9) | 12.2 |
| HRQOL – mental component | 51.0 (7.6) | 52.5 | 49.6 (6.8) | 52.2 |
| HRQOL – physical component | 47.7 (7.5) | 48.6 | 47.6 (6.8) | 48.4 |
Kg kilogram, M meters, BMI body mass index, PA physical activity, LPA light-intensity physical activity, MVPA moderate- to vigorous-intensity physical activity, Kcals kilocalories, HEI-2015 Healthy Eating Index 2015, HRQOL health-related quality of life, SD standard deviation