| Birth | 3 months | 6 months | 9 months | 12 months | 18 months |
---|---|---|---|---|---|---|
Infants | Â | Â | Â | Â | Â | Â |
Total n | Â | 206 | 157 | 153 | 132 | 109 |
Female | Â | 110 (53.4%)a | 83 (52.9%) | 80 (52.3%) | 73 (55.3%) | 59 (54%) |
Gestational age | 39.48 ± 1.47b |  |  |  |  |  |
Anthropometrics | Â | Â | Â | Â | Â | Â |
Birthweight | 3.23 ± 0.48 |  |  |  |  |  |
Weight for length Z-score |  | 0.56 ± 1.0 | 0.55 ± 1.1 | 0.54 ± 1.12 | 0.44 ± 1.08 | 0.34 ± 1.04 |
Sum of skinfoldsc |  | 25.34 ± 4.69 | 25.53 ± 5.91 | 24.80 ± 6.33 | 23.09 ± 5.38 | 22.88 ± 4.19 |
Temperament dimensions | Â | Â | Â | Â | Â | Â |
Distress to limitations |  | 3.46 ± 0.74 | 3.66 ± 0.80 | 4.02 ± 0.77 | n/a | n/a |
Activity level |  | 4.11 ± 0.82 | 4.71 ± 0.77 | 4.85 ± 0.73 | 5.50 ± 0.71 | 5.35 ± 0.77 |
Infant Diet | Â | Â | Â | Â | Â | Â |
Daily calories, non-breastfed infants | Â | Â | Â | Â | Â | Â |
Infant received any breast milk | Â | 44 (21.4%) | 22 (14.0%) | 15 (9.8%) | 8 (6.1%) | 3 (2.8%) |
Infant exclusively breast-fed | Â | 13 (6.3%) | 0 | 0 | 0 | 0 |
Mothers | Â | Â | Â | Â | Â | Â |
Anthropometrics | Â | Â | Â | Â | Â | Â |
BMI<25 | Â | 63 (29%) | Â | Â | Â | Â |
BMI 25–29.9 |  | 58 (26.7%) |  |  |  |  |
BMI = >30 | Â | 96 (44.2%) | Â | Â | Â | Â |
Sociodemographics | Â | Â | Â | Â | Â | Â |
Maternal education | Â | 58 (27.1%) | Â | Â | Â | Â |
Less than high school | Â | 65 (30.4%) | Â | Â | Â | Â |
High school graduate or GED | Â | 70 (32.7%) | Â | Â | Â | Â |
Some college | Â | 21 (9.8%) | Â | Â | Â | Â |