- Clinical characteristics of ASD sample (N=67).
| Variables | n (%) |
|---|---|
| Family history | |
| ASD, PDD | 17 (25.4) |
| Speech delay | 28 (41.8) |
| Intellectual disability | 15 (22.4) |
| Attention-deficit/hyperactivity disorder | 13 (19.4) |
| Psychiatric disability | 4 (6.0) |
| Seizure disorder | 6 (9.0) |
| Down’s syndrome | 3 (4.5) |
| Parent’s initial concerns | |
| Language delay | 53 (79.0) |
| Social skills delays | 55 (82.1) |
| Stereotypic behavior or restricted repetitive interests | 31 (46.3) |
| Disruptive behavior (hyperactive, agitated, | 11 (16.4) |
| impulsive, aggressive) | |
| Inattention and distractibility | 12 (17.9) |
| Self-injurious behavior | 2 (3.0) |
| Cognitive delay | 0 (0.0) |
| Motor delay | 3 (4.5) |
| Other concerns | 3 (4.5) |
| History of language regression | |
| Yes | 29 (43.3) |
| No | 31 (46.3) |
| Missing data | 7 (10.4) |
| Reported previous diagnoses rceived | |
| ASD, PDD, Asperger’s syndrome | 48 (71.6) |
| Language delay/language disorder | 17 (25.4) |
| Attention-deficit/hyperactivity disorder | 12 (17.9) |
| Motor delay/motor disorder | 2 (0.03) |
| Global development delay | 3 (0.04) |
| Genetic disorder | 3 (0.04) |
| ASD severity, median (mean±SD) | |
| ADOS-2 calibrated severity score (CSS), n=65 | 7 (6.49±1.59) |
| Vineland ABC composite score, n=53 | 62 (61.1±7.81) |
ASD: autism spectrum disorder, PDD: pervasive developmental disorders, ADOS: autism diagnostic observation schedule