Table 1.

Subject Descriptives for High Risk (HR) and Low Risk (LR) groups.

	High Risk (N=98)		Low Risk (N=36)		Difference p value*
Sex (% male)	62%		58%		.69
Gestational age at birth (Week), Mean (SD)	39.0	(1.3)	39.5	(1.2)	.47
Age at MRI scan (Month), Mean (SD)	6.2	(0.3)	6.3	(0.2)	.37
Maternal age at birth (Year), Mean (SD)	33.7	(4.7)	32.9	(5.7)	.37
Mullen ELC **, Mean (SD)	95.2	(12.5)	100.0	(10.0)	.13

^*Fisher’s test for sex; and ANOVA test for Mullen ELC, gestational age at birth, age at MRI scan, and maternal age at birth while controlling for site differences.

^**Mullen ELC – Mullen Early Learning Composite