Table 1.

Sample demographics for participants included in models predicting 6-year outcomes from 2-year scores (N = 227).

Demographic	N (%)
Gender (male)	108 (47.58)
Gestation (single-born)	123 (54.19)
Race (Caucasian)*	180 (79.30)
Ethnicity (Hispanic)*	10 (4.41)
	Mean (SD)
Gestational Age at Birth (weeks)	38.10 (1.92)
Age at Testing, 2-Year Mullen Scales of Early Learning (MSEL) (months)	24.60 (0.77)
Age at Testing, 6-Year Executive Function (months)	74.10 (1.84)
Maternal Education (years)	15.77 (2.98)
Paternal Education (years)	15.26 (3.38)
Household Income (thousands)	77.86 (53.73)

^*Values refer to reported maternal race and ethnicity.