Table 1.
Socio-demographic and clinical characteristics of the sample included in the present study.
| Demographic and Clinical Variables Mean [SD] | Typically Developing Controls | ADHD-Only | Autism-Only | ADHD + Autism | Group Comparisons |
|---|---|---|---|---|---|
| N (females) | 20 (3) | 9 (5) | 6 (0) | 8 (0) | - |
| Mean age (years) | 11.93 [1.78] |
12.09 [2.25] |
12.56 [2.24] |
13.12 [1.78] |
None |
| Social Communication Questionnaire (total score) | 3.35 [3.74] |
13.75 [6.18] |
20.50 [9.09] |
26.25 [5.68] |
ADHD + autism > ADHD-only; ADHD-only, ADHD + autism and autism-only > TD |
| Conners’ Rating Scales (total score) | 41.12 [16.35] |
80.78 [13.08] |
64.17 [12.51] |
78.75 [3.28] |
ADHD-only, ADHD + autism and autism-only > TD |
| Full Scale IQ | 111.19 [9.62] |
93.00 [17.26] |
107.17 [8.89] |
89.86 [15.82] |
ADHD-only < TD; ADHD + autism < TD |
Mean values are reported for each group, with standard deviations in parentheses.