Table 1.
Descriptive statistics for participating families
| Mean (SD) | Range | |
|---|---|---|
| Child Variables | ||
| Age (months) | 108.3 (42.8) | 48–216 |
| ADI-R Current behavior total score | 27.47 (10.1) | 1–60 |
| ADOS total score | 15.19 (5.2) | 7–28 |
| ADOS Calibrated Severity Score | 7.44 (1.7) | 4–10 |
| Verbal IQ score | 78.04 (31.3) | 5–167 |
| Nonverbal IQ score | 84.54 (26.2) | 9–161 |
| Full scale IQ score | 81.17 (28.0) | 7–167 |
| Vineland Adaptive Behavior Composite | 73.14 (12.1) | 27–115 |
| CBCL Behavior Problems Total | 62.35 (9.1) | 27–92 |
| Parent Variables | ||
| Maternal age at child’s birth (years) | 31.35 (4.96) | 16.08–45.25 |
| Paternal age at child’s birth (years) | 33.50 (5.72) | 17.08–57.58 |
| Maternal BAPQ | 85.89 (20.9) | 36–169 |
| Paternal BAPQ | 96.38 (21.8) | 40–179 |
| Maternal SRS-ARV | 29.56 (20.4) | 0–135 |
| Paternal SRS-ARV | 29.78 (22.7) | 0–172 |
Notes: ADI-R = Autism Diagnostic Interview, Revised; ADOS = Autism Diagnostic Observation Schedule; CBCL = Child Behavior Checklist; BAPQ = Broader Autism Phenotype Questionnaire; SRS-ARV = Social Responsiveness Scale – Adult Research Version