Table 1.

Characteristics for the previously institutionalized (PI) and comparison participants. Note: there is overlap between participants in the whole sample, those that provided imaging data, and those that provided behavioral data.

	Whole Sample†		Imaging Data			Behavioral Data
	PI (N = 38)	Comparison (N=40)	PI (N = 34)	Comparison (N=28)		PI (N = 19)	Comparison (N=27)
Sex	29 female; 9 male	29 female; 11 male	26 female; 8 male	23 female; 5 male		13 female; 6 male	16 female; 11 male
Mean Age in months (SD); range	99.7 (22.4); 59.6–142.8	114.3 (25.6); 72.3–189.2	101.6 (22.2); 62.7–142.8	113.6 (26.5); 72.3–189.2	t(60)=1.94, ns	101.5 (20.0); 60.0–134.0	115.3 (26.7); 72.3–189.2	t(44)=1.78, ns
Mean (SD) IQ; range	103.8(14.5); 77–127	110.3 (15.6); 76–145	103.4 (14.6); 77–127	109.4 (16.1); 76–145	t(57)=1.48, ns ††	103.3 (15.2); 77–127	111.3 (14.4); 76–145	t(44)=1.82, ns
Country of Origin	8 Eastern Europe; 30 Asia		7 Eastern Europe; 27 Asia			5 Eastern Europe; 14 Asia
Mean Age Orphaned in months (SD); range	2.5 (5.4); 0–28		2.7 (5.7); 0–28			3.1 (6.9); 0–28
Mean Age Adopted in months (SD); range	19.2 (13.1); 2.5–60		18.8 (13.3); 2.5–60			23.9 (15.1); 2.5–60
Mean time with family in months (SD); range	80.2 (23.5); 39.0–134.3		82.5 (22.5); 40.7–134.3			77.9 (22.7); 39.0–114.8

^†Within the manuscript, PI and comparison children from the whole sample are never directly compared, and therefore, we do not examine the differences in the demographic information in this table.

^††missing IQ on 3 control subjects