Table 1.
Demographic data of the participants.
| TD | ASD + ADHD | p | |
|---|---|---|---|
| Subjects (n) | 141 | 92 | – |
| University of Fukui (n) | 69 | 44 | – |
| Osaka University1 (n) | 50 | 31 | – |
| Osaka University2 (n) | 22 | 17 | – |
| Age (years) | 11.1 (2.5) | 11.4 (2.4) | 0.47 |
| Sex (n, male/female) | 141/0 | 92/0 | – |
| Handedness (n, R/L/B) | 135/5/2 | 85/8/2 | 0.22 |
| FSIQ | 109.7 (13.0) | 100.5 (15.3) | <0.01 |
| ADHD-RS (total) | 3.8 (4.2) | 28.0 (9.9) | <0.01 |
| ADHD-RS (IN) | 2.8 (3.1) | 17.4 (5.2) | <0.01 |
| ADHD-RS (HI) | 1.0 (1.5) | 10.6 (6.2) | <0.01 |
| AQ-total | 11.2 (4.6) | 25.8 (6.8) | <0.01 |
| SCQ | 4.8 (1.8) | 14.6 (6.4) | <0.01 |
TD typically developing, ASD autism spectrum disorder, ADHD attention-deficit/hyperactivity disorder, R right, L left, B both, FSIQ Full-Scale Intelligence Quotient, ADHD-RS ADHD-rating scale, IN inattention, HI hyperactivity/impulsivity, AQ Autism-Spectrum Quotient, SCQ Social Communication Questionnaire.