Table 1.
Participant Characteristics
| ASD | TD | Test Stat | df | P-value | |
|---|---|---|---|---|---|
| N | 44 | 66 | |||
| Mean Age | 24.9±15.6 | 22.0±11.2 | T=1.1 | 108 | 0.26 |
| Age Range | 5.9–60.7 | 6.9–59.0 | |||
| Sex | 32m/12f | 50m/16f | ×2=0.13 | 1 | 0.72 |
| SES | 48.8±10.5 | 53.5±11.1 | T=1.90 | 85 | 0.06 |
| Handedness | 38R,6L | 62R,4L | ×2=2.8 | 1 | 0.11 |
| Ethnic/Racial Minority | 9 | 18 | ×2=0.77 | 1 | 0.38 |
| Framewise Motion (mm) | 0.17±0.06 | 0.16±0.06 | T=0.88 | 109 | 0.37 |
| RMS Motion (mm) | 0.09±0.03 | 0.09±0.04 | T=0.89 | 109 | 0.37 |
| FSIQ | 112.3±18.3 | 116.7±10.6 | T=1.42 | 60.8 | 0.16 |
| ADOS Totala | 10.8±4.1 | – | |||
| ADOS Social Affect | 9.1±3.8 | – | |||
| ADOS Restrict & Repet Beh | 1.7±1.6 | – | |||
| SRS Totalb | 83.0±27.2 | 20.8±18.3 | T=12.1 | 61.8 | 4×10−14 |
| SRS Awareness | 10.6±3.3 | 5.1±3.2 | T=7.8 | 85 | 1×10−11 |
| SRS Cognition | 15.4±4.8 | 3.1±3.6 | T=13.3 | 66.7 | 2×10−20 |
| SRS Communication | 28.4±9.0 | 6.2±7.2 | T=12.8 | 85 | 1×10−21 |
| SRS Motivation | 13.7±5.3 | 3.5±3.3 | T=10.4 | 58.8 | 7×10−15 |
| SRS Mannerisms | 15.6±6.9 | 3.0±3.8 | T=10.1 | 53.9 | 4×10−14 |
a
ADOS scores were available for 41 ASD participants
b
SRS scores were available for 38 ASD and 49 TD participants
ADOS=Autism Diagnostic Observation Schedule; Restrict & Repet Beh=Restricted and Repetitive Behaviors SRS=Social Responsiveness Scale; Awareness=Social Awareness; Cognition=Social Cognition; Communication=Social Communication; Motivation=Social Motivation; Mannerisms=Restricted Interests and Repetitive Behaviors SES=socioeconomic status measured with the Hollingshead; this was available in 31 ASD and 56 TD participants FSIQ was available in 43 ASD and 65 TD participants
RMS=Root Mean Square motion estimate during the ASL scan