Table 1.
Sample Characteristics
| Mean (Std Dev)/Percent | |
|---|---|
| Sex (% Male) | 50.10 |
| Gestation (% Twins) | 52.4 |
| Gestational Age at Birth (Days) | 260.58 (20.47) |
| Duration in NICU* (Days) | 4.48 (12.86) |
| Days Since Birth ELC1 | 393.36 (26.86) |
| Days Since Birth ELC2 | 759.48 (30.25) |
| Days Since Birth ABIQ6 | 2230.84 (62.72) |
| ELC1 | 114.34 (13.45) |
| ELC2 | 108.16 (15.33) |
| ABIQ6 | 104.03 (14.14) |
| Maternal Education (Years) | 15.90 (3.07) |
| Paternal Education (Years) | 15.42 (3.29) |
| Total Household Income ($) | 79,053.56 (57,440.40) |
| Maternal Ethnicity (%) | |
| White/Black/Asian/Indian | 76.8 / 21.3 / 1.5 / 0.4 |
| Hispanic | 4.8 |
| Paternal Ethnicity (%) | |
| White/Black/Asian/Indian/Unknown | 70.4 / 24.2 / 3.3 / 0.6 / 1.5 |
| Hispanic | 5.4 |
*
NICU = Neonatal Intensive Care Unit