| Mean (SD) | Effect size | ||||
---|---|---|---|---|---|---|
 | Subgroup 1: severe (N = 24) | Subgroup 2: moderate (N = 51) | Subgroup 3: low (N = 257) | G1 vs. G2 | G1 vs. G3 | G2 vs. G3 |
Sex (males:females); % of females | 8:16 (33%) | 13:38 (25%) | 74:183 (28%) | – | – | – |
Age | 16.0 (6.3) | 14.3 (5.7) | 16.3 (5.6) | 0.30 | − 0.06 | − 0.35 |
Full-scale IQ | 87.3 (17.9) | 94.1 (22.8) | 97.6 (20.6) | − 0.33 | − 0.50 | − 0.17 |
Tactile sensitivity | 22.3 (6.6) | 23.8 (6.9) | 27.5 (5.5) | − 0.25 | − 0.86 | − 0.61 |
Taste/smell sensitivity | 12.8 (5.3) | 13.6 (5.2) | 15.4 (4.9) | − 0.17 | − 0.53 | − 0.37 |
Movement sensitivity | 4.9 (2.1) | 8.5 (2.3) | 13.5 (1.9) | − 1.05 | − 2.52 | − 1.47 |
Underresponsive/seeks sensation | 21.1 (5.1) | 23.6 (6.4) | 27.0 (6.2) | − 0.38 | − 0.92 | − 0.53 |
Auditory filtering | 13.1 (3.8) | 14.3 (4.6) | 17.8 (5.2) | − 0.22 | − 0.89 | − 0.67 |
Low energy/weak | 17.6 (7.5) | 19.3 (7.8) | 24.4 (6.6) | − 0.24 | − 0.94 | − 0.70 |
Visual/auditory sensitivity | 13.5 (3.1) | 15.5 (4.9) | 18.8 (4.9) | − 0.40 | − 1.05 | − 0.65 |
Total score | 104.1 (21.0) | 118.8 (23.5) | 144.0 (24.5) | − 0.54 | − 1.46 | − 0.92 |
ADOS CSS social affect | 6.7 (2.5) | 6.9 (2.5) | 6.3 (2.6) | − 0.07 | 0.14 | 0.21 |
ADOS CSS-RRB | 5.2 (2.8) | 5.1 (2.9) | 4.8 (2.8) | 0.03 | 0.14 | 0.11 |
SRS-2 SCI | 82.2 (6.9) | 79.4 (11.8) | 71.8 (11.5) | 0.24 | 0.88 | 0.65 |
RBS-R stereotyped | 5.6 (4.9) | 4.8 (4.2) | 3.2 (3.6) | 0.30 | 0.72 | 0.42 |
RBS-R self-injurious | 2.1 (3.6) | 2.0 (3.1) | 1.3 (2.1) | 0.02 | 0.34 | 0.32 |
RBS-R compulsive | 4.1 (3.4) | 3.0 (2.5) | 2.3 (2.7) | 0.39 | 0.64 | 0.25 |
RBS-R ritualistic/sameness | 12.2 (8.1) | 10.4 (7.1) | 6.3 (5.3) | 0.29 | 0.96 | 0.67 |
RBS-R restricted | 3.6 (2.3) | 2.9 (2.2) | 2.4 (1.9) | 0.36 | 0.61 | 0.25 |
Anxiety | 2.7 (1.5) | 2.7 (1.6) | 2.5 (1.3) | − 0.02 | 0.16 | 0.18 |
Inattention | 6.5 (2.3) | 5.6 (2.4) | 4.4 (3.2) | 0.31 | 0.69 | 0.39 |
Hyperactivity/impulsivity | 4.3 (3.2) | 3.7 (2.9) | 2.7 (2.8) | 0.18 | 0.53 | 0.35 |
VABS socialisation | 57.2 (15.43) | 66.6 (17.7) | 71.1 (15.9) | − 0.57 | − 0.84 | − 0.28 |
VABS daily living | 61.6 (12.56) | 70.1 (17.1) | 73.8 (16.9) | − 0.51 | − 0.72 | − 0.22 |
VABS communication | 68.8 (14.72) | 75.3 (19.5) | 75.3 (16.8) | − 0.38 | − 0.38 | 0.00 |
VABS ABC | 60.1 (12.62) | 68.2 (16.1) | 71.4 (14.7) | − 0.54 | − 0.75 | − 0.21 |