Table 1.
Demographic and descriptive data for the subgroups included in particular analyses
| EEG Analysis n = 78 (35 f) |
ERP Analysis n = 42 (17 f) |
Habituation Analysis n = 42 (24 f) |
|
|---|---|---|---|
| 6 months | |||
| Age (days) | 195.3 (1.8) 178-220 |
197.8 (1.6) 178-224 |
195.8 (1.7) 178-224 |
| % Caucasian | 89% | 90% | 89% |
| % (B)PC is female | 90% | 88% | 93% |
| PC COMQ Total score | 31.2 (0.7) 17-40 |
29.5 (1.0) 16-40 |
31.8 (0.9) 21-40 |
| PC SADS Total score | 4.9 (0.6) 0-23 |
6.1 (1.0) 0-23 |
4.0 (0.7) 0-16 |
| Infant VAB Socialization SS | 109.9 (1.0) 91-126 |
110.6 (1.3) 94-126 |
108.4 (1.3) 87-123 |
| Infant VAB Communication SS | 110.1 (1.1) 82-123 |
108.0 (1.7) 82-123 |
112.0 (1.1) 93-123 |
|
| |||
| EEG Analysis n = 66 (29 f) |
ERP Analysis n = 50 (29 f) |
Habituation Analysis n = 47 (24 f) |
|
|
| |||
| 12 months | |||
| Age (days) | 380.1 (2.6) 361-448 |
380.4 (1.5) 361-448 |
379.7 (2.0) 361-448 |
| % Caucasian | 88% | 92% | 88% |
| % (B)PC is female | 90% | 96% | 93% |
| PC COMQ Total score | 30.8 (0.6) 21-40 |
29.9 (0.8) 18-40 |
30.9 (0.84) 18-40 |
| PC SADS Total score | 4.3 (0.5) 0-15 |
5.1 (0.7) 0-23 |
4.5 (0.7) 0-23 |
| Infant VAB Socialization SS | 96.4 (0.7) 84-112 |
96.6 (0.7) 84-112 |
97.4 (0.86) 84-112 |
| Infant VAB Communication SS | 107.9 (1.2) 80-124 |
107.6 (1.5) 80-121 |
110.2 (1.4) 80-124 |
f, female; (B)PC, Biological Primary Caregiver; COMQ, Social Competence Questionnaire; SADS, Social Avoidance and Distress Scale; VAB, Vineland Adaptive Behavior Scale; SS, Standard Score. Values are mean (standard error) and range (minimum-maximum).