Table 1.
Childhood characteristics (Wave 1) of individuals with stable, increased and decreased ASD symptom severity (ADOS CSS) from childhood to adolescence
| Childhood characteristics | Total (n = 72) |
Stable ADOS CSS (n = 29) |
Increase ADOS CSS (n = 29) |
Decrease ADOS CSS (n = 14) |
|---|---|---|---|---|
| Age, Mean (SD) | 9.2 (1.8) | 9.1 (1.8) | 9.1 (1.8) | 9.6 (1.9) |
| Gender, % boy | 88 % | 83 % | 86 % | 100 % |
| FSIQ, Mean (SD) | 96.4 (14.1) | 95.9 (13.3) | 94.8 (14.1) | 100.8 (15.8) |
| SA CSS, Mean (SD) | 4.5 (2.4) | 4.1 (2.5) | 4.2 (2.2) | 6.0 (1.9) |
| RRB CSS, Mean (SD) | 4.8 (2.7) | 4.5 (2.8) | 4.7 (2.7) | 5.6 (2.4) |
| Anxiety disordera, % present | 49 % | 46 % | 59 % | 36 % |
| Mood disordera, % present | 9 % | 15 % | 7 % | 0 % |
| Developmental disordera, % present | 45 % | 46 % | 48 % | 36 % |
| Disruptive disordera, % present | 27 % | 27 % | 26 % | 29 % |
| # psychiatric disordersa, Mean (SD) | 1.7 (1.6) | 1.8 (1.5) | 1.8 (1.8) | 1.2 (1.4) |
The psychiatric disorders are based on the Diagnostic Interview Schedule for Children (DISC)
ADOS CSS Autism Diagnostic Observation Schedule, calibrated severity score, FSIQ Full Scale Intelligence Quotient, SA CSS Social Affect calibrated severity score, RRB CSS restricted repetitive behaviour calibrated severity score
* p < .05; ** p < .01
aDISC data is missing in n = 5