Table 1.
Group Differences on Demographic and Background Variables
| Measure | ASD | TD | |||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Mean | SD | Range | Mean | SD | Range | p-value | |
| Age | 10.20 | 1.96 | (7.66, 16.31) | 9.72 | 1.54 | (7.02, 12.85) | 0.269 |
| IQ | |||||||
| WASI Full Scale | 104.42 | 25.45 | (70, 149) | 120.45 | 13.97 | (96, 151) | 0.006 |
| Performance | 101.18 | 19.10 | (68, 140) | 113.10 | 14.34 | (85, 143) | 0.006 |
| Verbal | 101.18 | 24.07 | (55, 150) | 123.59 | 14.62 | (96, 147) | <0.001 |
| SSS | 112.32 | 23.91 | (58, 155) | 64.66 | 12.50 | (49, 93) | <0.001 |
| SSP | 121.46 | 17.69 | (89, 155) | 172.58 | 16.85 | (117, 190) | <0.001 |
|
| |||||||
| Waking Time | 7:10 AM | 1:15 | (4:13 AM, 10:56 AM) | 7:26 AM | 1:04 | (5:45 AM, 9:38 AM) | 0.414 |
|
| |||||||
| Bed Time | 9:20 PM | 0:49 | (7:30 PM, 11:10 PM) | 9:42 PM | 0:50 | (8:10 PM, 11:05 PM) | 0.086 |
Note. WASI=Wechsler Abbreviated Scale of Intelligence; SSS=Stress Survey Schedule; SSP=Short Sensory Profile; Waking Time and Bed Time values shown in HH:MM clock time. Waking Time = average of reported times for M1 cortisol sampling. Bed Time = average of reported times for E cortisol sampling + 30 min