Table 1.
Demographic characteristics of the overall sample and latent classes
| Overall Sample | “Normative” class | “Cognitive” class | “Behavioral” class | |
|---|---|---|---|---|
| N (%) | 314 (100) | 153 (48.7) | 109 (34.7) | 52 (16.6) |
| Age (M, SD) | 13.7 (4.7) | 13.6 (4.5) | 13.5 (4.7) | 14.6 (5.1) |
| Maternal age (M, SD) | 34.8 (5.5) | 35.4 (5.3) | 34.3 (6.2) | 34.2 (4.5) |
| Paternal age (M, SD) | 36.4 (5.7) | 37.0 (5.5) | 35.7 (6.1) | 35.9 (5.3) |
| Household income (%) | ||||
| <$75,000 | 28.7 | 22.3 | 34.9 | 31.4 |
| $75,000–$100,000 | 15.5 | 14.4 | 17.0 | 15.7 |
| $100,000+ | 55.8 | 62.3 | 48.1 | 52.9 |
| Sex (% male) | 51.0 | 56.9 | 40.4 | 55.8 |
| Self-identified race/ethnicity (%) | ||||
| White | 75.2 | 80.8 | 67.6 | 75.0 |
| Black | 6.4 | 6.6 | 8.3 | 1.9 |
| Hispanic | 3.2 | 1.3 | 6.5 | 1.9 |
| Asian | 14.5 | 11.3 | 16.7 | 19.2 |
| Other | .6 | 0 | 1 | 1.9 |
| Congenital heart defect (% yes) | 61.0 | 65.6 | 54.4 | 60.8 |
| Assessment scores (M, SD) | ||||
| KBIT-2 | 25.2 (11.7) | 30.0 (10.8) | 16.3 (8.5) | 29.9 (9.0) |
| CANTAB spatial span | 2.7 (1.6) | 3.3 (1.2) | 1.4 (1.6) | 2.9 (1.4) |
| NEPSY-II visuomotor precision | 13.3 (5.7) | 14.2 (5.6) | 11.5 (6.0) | 14.4 (5.1) |
| BRIEF | 135 (23.3) | 122.7 (19.3) | 144.2 (19.5) | 154.3 (20.2) |
| SIB-R | 57.9 (23.3) | 70.4 (19.6) | 39.3 (18.2) | 58.3 (16.7) |
| NCBRF conduct problems | 7.5 (6.1) | 5.1 (4.1) | 7.5 (5.3) | 14.8 (6.6) |
| NCBRF insecure/anxious | 4.0 (4.0) | 2.7 (2.5) | 2.9 (2.5) | 10.0 (4.7) |
| NCBRF hyperactivity | 6.5 (4.4) | 4.5 (3.2) | 7.7 (4.2) | 10.1 (4.7) |
| SCQ | 8.6 (5.5) | 5.2 (3.2) | 12.5 (4.9) | 11.8 (5.5) |
KBIT-2 Kaufman Brief Intelligence Test, 2nd edition, CANTAB Cambridge Neuropsychological Test Automated Battery, BRIEF GEC Behavioral Rating Inventory of Executive Function, SIB-R Scales of Independent Behavior-Revised, NCBRF Nisonger Child Behavior Rating Form, SCQ Social Communication Questionnaire