Table 1.
Characteristics of infants and mothers participating in the Nurture study (n = 506), 2013 to 2016
| Infant characteristics | Mean (SD) |
| Birth weight for gestational age z score | 0.1 (1.0) |
| BMI z score at 3 months | 0.0 (1.1) |
| BMI z score at 6 months | 0.3 (1.1) |
| BMI z score at 9 months | 0.5 (1.0) |
| BMI z score at 12 months | 0.7 (1.0) |
| Any breastfeeding, wk | 16.3 (18.9) |
| Percent (n) | |
| Gender, female | 50 (251) |
| Race | |
| Black | 66 (335) |
| White | 16 (81) |
| Other race/more than one race | 18 (90) |
| Ethnicity, Hispanic or Latino/a | 10 (49) |
| Overweight/obesity (z score at 1 SD or above) at 12 months | 30 (152) |
| Obesity (z score at 2 SD or above) at 12 months | 8 (40) |
| Maternal characteristics | Mean (SD) |
| Age, y | 27.6 (5.7) |
| Prepregnancy BMI, kg/m2 | 30.3 (9.2) |
| Percent (n) | |
| Race | |
| Black | 70 (352) |
| White | 20 (101) |
| Other race/more than one race | 10 (53) |
| Ethnicity, Latina | 7 (33) |
| Education | |
| ≤ High school | 47 (236) |
| Some college/college graduate/graduate degree | 53 (270) |
| Annual household income | |
| < $20,000 | 55 (278) |
| ≥ $20,000 | 45 (228) |