Table 2.
Participant demographics by study group (n = 279)
| Responsive Parenting (n = 140) | Control (n = 139) | |
|---|---|---|
| Maternal demographics | ||
| Age (years), mean (SD) | 28.7 (4.6) | 28.7 (4.9) |
| Pre-pregnancy BMI (kg/m2), mean (SD) | 25.5 (5.0) | 25.3 (5.6) |
| Gestational weight gain (kg), mean (SD) | 15.6 (6.4) | 15.0 (6.0) |
| Hispanic/Latino, n (%) | 12 (8.6) | 7 (5.0) |
| Race, n (%) | ||
| Black | 10 (7.1) | 7 (5.0) |
| White | 122 (87.1) | 127 (91.4) |
| Native Hawaiian/Pacific Islander | 1 (0.7) | 0 (0) |
| Asian | 5 (3.6) | 4 (2.9) |
| Other (multi-racial) | 2 (1.4) | 1 (0.7) |
| Education, n (%) | ||
| High school or less | 16 (11.4) | 16 (11.5) |
| Some college | 37 (26.4) | 36 (25.9) |
| College graduate | 48 (34.3) | 52 (37.4) |
| Graduate degree + | 39 (27.9) | 35 (25.2) |
| Married, n (%) | 102 (72.9) | 108 (77.7) |
| Annual household income, n (%) | ||
| < $10,000 | 6 (4.3) | 5 (3.6) |
| $10,000–24,999 | 10 (7.1) | 10 (7.2) |
| $25,000–49,999 | 5 (3.6) | 23 (16.6) |
| $50,000–74,999 | 46 (32.9) | 26 (18.7) |
| $75,000–99,999 | 32 (22.9) | 23 (16.6) |
| ≥ $100,000 | 32 (22.9) | 43 (30.9) |
| Do not know/refused to answer | 9 (6.4) | 9 (6.4) |
| Infant demographics | ||
| Male sex, n (%) | 75 (53.6) | 69 (49.6) |
| Gestational age (weeks), mean (SD) | 39.6 (1.2) | 39.5 (1.1) |
| Birth weight (kg), mean (SD) | 3.4 (0.4) | 3.5 (0.4) |
| Birth length (cm), mean (SD) | 50.9 (2.4) | 50.7 (4.5) |