Clinical data of samples
| Affected group (n=59) | Unaffected group (n=136) | ||||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Age (months) | Total | 100.37 | 56.24 | 437.97 | 154.66 |
| Father (n=57) | 509 | 73.42 | |||
| Mother (n=59) | 486 | 57.44 | |||
| Siblings (n=20) | 101 | 50.34 | |||
| Sex (female %) | Total | 16.95 | 52.21 | ||
| Siblings | 55 | ||||
| ADOS | Communication | 5.37 | 1.90 | 1.25 | 1.25 |
| Social interaction | 9.54 | 2.39 | 2.05 | 1.76 | |
| Play | 1.90 | 1.11 | 0.90 | 0.55 | |
| Repetitive behavior | 1.24 | 1.33 | 0.10 | 0.31 | |
| ADIR | Social interaction | 18.58 | 6.33 | 3.45 | 4.35 |
| Communication: verbal | 14.57 | 5.16 | 1.75 | 2.79 | |
| Communication: nonverbal | 9.32 | 3.52 | 1.10 | 2.15 | |
| Repetitive behavior | 4.41 | 2.63 | 0.50 | 1.19 | |
| KEDI-WISC-R | 74.74 | 20.37 | 100.72 | 15.53 | |
| K-Leiter-R | 72.32 | 16.12 | 44.11 | 40.77 | |
| SCQ | 16.67 | 8.50 | 3.80 | 3.81 | |
| SRS | 87.90 | 28.98 | 30.35 | 19.43 | |
ADI-R, Autism Diagnostic Interview-Revised; ADOS, Autism Diagnostic Observation Schedule; KEDI-WISC-R, Korean Educational Development Institute-Wechsler Intelligence Scale for Children-Revised; K-Leiter-R, Korean-Leiter International Performance scale - Revised; SCQ, Social Communication Questionnaire; SRS, Social Responsiveness Scale.