Table 2.
Characteristics in adolescence (Wave 2) of individuals with stable, increased and decreased ASD symptom severity (ADOS CSS) from childhood to adolescence
| Adolescence characteristics | Total (n = 72) |
Stable ADOS CSS (n = 29) |
Increase ADOS CSS (n = 29) |
Decrease ADOS CSS (n = 14) |
|---|---|---|---|---|
| Age, Mean (SD) | 16.1 (1.9) | 16.1 (2.0) | 16.0 (1.9) | 16.4 (1.9) |
| FSIQ, Mean (SD) | 103.1 (12.6) | 100.6 (15.1) | 103.1 (9.4) | 107.8 (12.3) |
| SA CSS, Mean (SD) | 5.2 (2.7) | 4.3 (2.3) | 7.2 (1.9) | 3.1 (2.0) |
| RRB CSS, Mean (SD) | 5.7 (1.8) | 5.6 (.8) | 6.5 (1.8) | 4.5 (2.4) |
| Anxiety disordera, % present | 35 % | 37 % | 45 % | 8 % |
| Mood disordera, % present | 13 % | 19 % | 10 % | 8 % |
| Developmental disordera, % present | 38 % | 37 % | 45 % | 23 % |
| Disruptive disordera, % present | 26 % | 22 % | 35 % | 15 % |
| # psychiatric disordersa, Mean (SD) | 1.3 (1.7) | 1.4 (1.9) | .5 (1.0) | 1.6 (1.7) |
| Mental health care useb, % users | 87 % | 85 % | 89 % | 83 % |
| Special Educational Needs, % users | 71 % | 74 % | 78 % | 50 % |
| Friendship, % present | 16 % | 21 % | 4 % | 21 % |
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 = 3
bMental health care between the first and the second assessment wave