Table 1.
Means (SDs) of demographic data and symptom profiles
| Autism (n = 15) | Control (n = 16) | t(P) | |
|---|---|---|---|
| Age | 30.1 (11.6) | 27.5 (7.5) | 0.75 (0.46) |
| WASIa | |||
| Verbal | 109.9 (26.2) | 117.9 (13.4) | 1.08 (0.29) |
| Performance | 111.0 (15.9) | 121.8 (7.7) | 2.41 (0.023) |
| Full | 111.9 (22.7) | 122.2 (10.7) | 1.57 (0.13) |
| AQb | 26.1 (10.2) | 14.8 (6.4) | 3.90 (0.00064) |
| ADOS | |||
| Comm | 5.1 (4.5) | ||
| SI | 8.3 (2.6) | ||
| SBRI | 2.2 (1.6) | ||
| RBS-R | |||
| Stereo | 2.9 (2.9) | 2.4 (2.5) | 0.55 (0.59) |
| SIB | 1.9 (0.9) | 0.9 (1.2) | 1.24 (0.23) |
| Comp | 5.5 (2.9) | 2.9 (4.3) | 1.52 (0.14) |
| RIT | 5.2 (2.2) | 2.2 (3.5) | 1.95 (0.061) |
| Same | 7.9 (3.8) | 3.8 (3.8) | 2.20 (0.036) |
| CI | 2.8 (1.1) | 1.1 (1.1) | 2.45 (0.021) |
| Total | 25.8 (19.6) | 13.8 (13.3) | 1.94 (0.062) |
aWASI missing from one autism participant with Leiter IQ score of 121.
bAQ missing from two autism and two control participants.
WASI, Wechsler Abbreviated Scale of Intelligence (Weschler, 1999); ADOS, Autism Diagnostic Observation Scale (Lord et al., 2000); Comm, Communication; SI, Reciprocal Social Interaction; SBRI, stereotyped behaviors and restricted interests; AQ, Autism Spectrum Quotient (Baron-Cohen et al., 2001; a threshold of 32 or higher suggests cause for clinical concern in community samples); RBS-R, Repetitive Behavior Scale-Revised (Bodfish et al., 1999; Lam and Aman, 2007); Stereo, stereotyped behavior; SIB, self-injurious behavior; Comp, compulsive behavior; Rit, ritualistic behavior; Same, sameness behavior; CI, circumscribed interests.