Table 1.

Sample characteristics.

	Full term	Preterm	X2 or t	p
	n (%) or M (SD) N=36	n (%) or M (SD) N=43
Demographic measures
Sex: Female	20 (56)	15 (35)	3.39	0.065
Age at Testing, years	8.1 (0.2)	8.2 (0.2)	−2.13	0.028
Birthweight, grams	3325 (431)	1310 (429)	20.73	<0.001
Gestational Age at birth, weeks	39.6 (1.5)	29.3 (2.1)	24.61	<0.001
Hollingshead Indexa	57.2 (11.0)	51.7 (12.7)	2.05	0.044
Neonatal Head Ultrasound or MRI		N=36
Grade I IVHb	-	8 (22)	-	-
Grade II IVH	-	1 (3)	-	-
Grade III IVH	-	1 (3)	-	-
Small Periventricular Lesions	-	1 (3)	-	-
Mild White Matter Injury	-	5 (14)	-	-
Enlarged Ventricles	-	3 (8)	-	-
Other		1 (3)
Neurocognitive Measures			-	-
Oral Reading Indexc	102.0 (SD 12.6)	95.8 (SD 10.8)	2.34	0.022
Oral Reading Index, range	78 – 142	76 – 126	-	-

^aModified Hollingshead Index, socioeconomic status.

^bIntraventricular Hemorrahge (IVH)

^cOral Reading Index Scaled Score, Gray Oral Reading Tests, 5^th Edition.