Table 1.
Descriptive Statistics
| Variable | ASDs (n = 19) | TD (n = 19) | t Statistic or χ2 Statistic |
|---|---|---|---|
| Age, mean (SD), y | 13.71 (1.60) | 13.61 (2.57) | 0.13 |
| Male sex, No. (%) | 16 (84) | 16 (84) | 0.00 |
| Right-handedness, No. (%) | 18 (95) | 19 (100) | 0.31 |
| IQ, mean (SD) | |||
| Full-scale | 104.63 (13.22) | 107.37 (15.06) | –0.59 |
| Verbal | 103.74 (13.49) | 107.63 (13.17) | –0.90 |
| Performance | 103.70 (14.47) | 105.76 (16.00) | –0.42 |
| Absolute motion, mean (SD), mm | |||
| Mean | 0.33 (0.17) | 0.31 (0.23) | 0.21 |
| Maximum | 0.94 (0.64) | 0.87 (0.97) | 0.29 |
| Relative motion, mean (SD), mm | |||
| Mean | 0.09 (0.04) | 0.13 (0.20) | –0.90 |
| Maximum | 0.80 (0.63) | 0.61 (1.15) | 0.62 |
| Sensory Over-Responsivity Scales score, mean (SD) | (n = 17) | ||
| Tactile count | 4.79 (5.57) | 2.76 (4.12) | 1.22 |
| Auditory count | 6.89 (7.06) | 1.56 (3.90) | 2.87a |
| Short Sensory Profile score, mean (SD)b | (n = 18) | ||
| Auditory and visual | 19.32 (5.10) | 24.28 (2.11) | –3.90a |
| Auditory filtering | 17.42 (6.00) | 26.11 (4.01) | –5.20c |
| Tactile sensitivity | 27.32 (6.19) | 32.89 (3.64) | –3.31a |
| Sensory overresponsivity composite score, mean (SD) | 0.45 (0.93) | –0.45 (0.51) | 3.71a |
| Screen for Child Anxiety Related Emotional Disorders anxiety total score, mean (SD) | 13.84 (9.44) | 5.47 (5.88) | 3.28a |
Abbreviations: ASDs, autism spectrum disorders; TD, typically developing.
a
P < .01.
b
Lower scores indicate higher symptom severity.
c
P < .001.