Table 1.
The clinical differences in age, performance IQ, ADOS CSS, PDP scale of the CBCL, and PC between male and female subjects in the whole sample (n = 989).
| Male | Female | t-test | p-value | Effect size | ||
|---|---|---|---|---|---|---|
| Age | 44.08 (13.92) |
43.67 (13.06) |
0.32 | 0.74 | – | |
| Performance IQ | 76.68 (23.17) |
76.58 (23.82) |
1.61 | 0.10 | – | |
| ADOS CSS-SA | 6.11 (02.16) |
6.15 (1.92) |
−0.20 | 0.84 | – | |
| ADOS CSS-RRB |
7.02 (2.04) |
6.57 (2.16) |
2.64 | 0.008 | d = 0.21 | |
| ADOS CSS-Total Score | 6.27 (1.92) |
6.20 (2.01) |
0.48 | 0.62 | – | |
| CBCL-PDP | 68.89 (9.80) |
67.44 (9.15) |
1.75 | 0.08 | – | |
| Affective problems | A | 58.95 (8.86) |
58.21 (8.36) |
0.99 | 0.32 | – |
| B | 23.5 | 22.5 | 0.08 | 0.76 | – | |
| Anxiety problems | A |
56.98 (8.30) |
55.97 (7.13) |
2.06 | 0.04 | d = 0.09 |
| B | 17.6 | 12.4 | 2.65 | 0.10 | – | |
| Attention deficit/hyperactivity problems | A | 57.75 (6.89) |
58.05 (7.33) |
−0.50 | 0.61 | – |
| B | 17.0 | 18.9 | 0.37 | 0.53 | – | |
| Oppositional problems | A | 54.50 (6.11) |
54.59 (6.02) |
−0.14 | 0.88 | – |
| B | 7.9 | 7.7 | 0.01 | 0.91 | – |
Significant comparisons are highlighted in italics.
A, mean and SD; B, number of subjects in the borderline/clinical range expressed as a percentage of males or females; ADOS, Autism Diagnostic Observation Schedule; CBCL-PDP, Child Behavior CheckList-Pervasive Developmental Problems; CSS, Calibrated Severity Score; IQ, intelligence quotient; M, mean; RRB, restricted and repetitive behaviors; SA, social affect; SD, standard deviation.