Table 1.

Demographic information for all participants included in the current study. PI = Previously Institutionalized, COMP = comparisons. Age placed refers to the age of placement in institutional care.

	PI	COMP	Group difference
N	93	161
Sex (M/F)	31 / 62	78 / 83	p = 0.017
IQ at T1, mean (SD)	101.72 (16.68)	111.78 (16.7)	p < 0.0001
Age in years, mean (SD), range	9.98 (3.35), 3.92−17.17	9.1 (4.12), 4.08−17.58	p = 0.065
Age placed (months), median (SD), range	0.75 (14.31), 0−72
Age adopted (months), median (SD), range	16.5 (25.7), 0.7−120
Country of Origin
Asian	38 (41 %)
Eastern European	50 (54 %)
Unknown/Other	5 (5 %)