Table 1.
Demographics and between-group differences
| fMRI data | Behavioral data | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| PI percentage or mean (SD) | Comparison percentage or mean (SD) | χ2(df) or t(df) | PI percentage or mean (SD) | Comparison percentage or mean (SD) | χ2(df) or t(df) | |
| Child Gender (% male) | 24.2% | 43.9% | 3.10+ (1) | 29% | 40% | 1.26 (1) |
| Age (Years) | 10.26 (2.5) | 9.43 (2.4) | 1.46 (72) | 10.6 (2.3) | 10.51 (2.7) | 0.16 (85) |
| Full-Scale IQ | 108.42 (13.9) | 114.51 (16.3) | 1.70+ (72) | 105.21 (15.7) | 110.89 (16.2) | 1.66 (85) |
| Age (Mo) at Adoption | 25.86 (20.9) | – | – | 20.43 (19.8) | – | – |
| Range | 3–84 | – | – | 2.5–84 | – | – |
| Age (Mo) Orphaned | 4.64 (8.6) | – | – | 3.99 (8.71) | – | – |
| Range | 0–36 | – | – | 0–36 | – | – |
| RCADS Separation Anxiety Time 1 (Tscore) | 49.60 (7.8) | 43.35 (7.0) | 2.65* (37) | 49.82 (11.7) | 41.59 (5.0) | 2.78** (34) |
| RCADS Separation Anxiety Time 2 (Tscore) | 50.77 (11.4) | 41.39 (5.0) | 3.35** (37) | 47.88 (9.0) | 41.94(5.2) | 2.46* (34) |
| % clinically elevated RCADS Time 1 | 0% | 0% | N/A | 12% | 0% | 2.36 (1) |
| % clinically elevated RCADS Time 2 | 15.8% | 0% | 3.42+ (1) | 6% | 0% | 1.15 (1) |
+
p<.10
*
p<.05
***
p<.001