Table 4.
Means of Regression Controls, by Child's Breastfeeding History
| Never Breastfed | Ever Breastfed | 0–3 Months | 3–6 Months | 6–9 Months | 9–12 Months | 12–24 Months | Over 24 Months | |
|---|---|---|---|---|---|---|---|---|
| Full Sample | ||||||||
| Child's age (years) | 15.7 | 15.4 | 15.4 | 15.4 | 15.4 | 15.3 | 15.4 | 15.4 |
| Child is male | 0.49 | 0.49 | 0.51 | 0.49 | 0.49 | 0.48 | 0.49 | 0.44 |
| Birthweight<5 lbs | 0.08 | 0.04 | 0.05 | 0.03 | 0.03 | 0.02 | 0.04 | 0.03 |
| White | 0.60 | 0.71 | 0.70 | 0.71 | 0.72 | 0.76 | 0.75 | 0.66 |
| Black | 0.29 | 0.14 | 0.15 | 0.15 | 0.13 | 0.11 | 0.12 | 0.10 |
| Hispanic | 0.15 | 0.18 | 0.20 | 0.20 | 0.16 | 0.15 | 0.16 | 0.24 |
| Asian | 0.04 | 0.08 | 0.07 | 0.09 | 0.09 | 0.09 | 0.09 | 0.12 |
| Native American | 0.04 | 0.04 | 0.04 | 0.03 | 0.03 | 0.03 | 0.04 | 0.05 |
| sthmatic parent | 0.14 | 0.14 | 0.14 | 0.14 | 0.12 | 0.14 | 0.14 | 0.13 |
| Diabetic parent | 0.09 | 0.07 | 0.07 | 0.06 | 0.06 | 0.07 | 0.06 | 0.06 |
| Allergic parent | 0.51 | 0.56 | 0.57 | 0.58 | 0.54 | 0.55 | 0.55 | 0.56 |
| Father is overweight | 0.10 | 0.10 | 0.11 | 0.10 | 0.09 | 0.10 | 0.11 | 0.07 |
| Mother is overweight | 0.19 | 0.18 | 0.19 | 0.18 | 0.17 | 0.15 | 0.16 | 0.15 |
| Income-to-needs ratio | 2.63 | 3.37 | 3.16 | 3.33 | 3.49 | 3.70 | 3.61 | 3.23 |
| Child's extracurricular activities (0–10) | 1.55 | 1.81 | 1.72 | 1.79 | 1.90 | 1.85 | 1.98 | 1.82 |
| Parent's education | ||||||||
| Dropout | 0.20 | 0.13 | 0.15 | 0.13 | 0.10 | 0.10 | 0.13 | 0.16 |
| High school | 0.35 | 0.22 | 0.27 | 0.22 | 0.20 | 0.21 | 0.17 | 0.19 |
| Some college | 0.27 | 0.31 | 0.31 | 0.32 | 0.31 | 0.31 | 0.30 | 0.30 |
| Bachelor degree | 0.10 | 0.18 | 0.17 | 0.18 | 0.21 | 0.18 | 0.20 | 0.20 |
| Graduate/professional degree | 0.05 | 0.13 | 0.08 | 0.13 | 0.15 | 0.17 | 0.19 | 0.13 |
| N | 8,901 | 6,938 | 2,308 | 1,636 | 1,101 | 829 | 859 | 205 |
Notes: Data from the National Longitudinal Survey of Adolescent Health, Wave 1 (1994). Standard deviations in parentheses. Parent refers to surveyed parent, usually the mother