Table 6.
Actigraphy: TD Cohort Compared with ASD Cohort
| TD | ASD | P Value | |||
|---|---|---|---|---|---|
| n = 37 |
n = 57 |
||||
| Mean | SD | Mean | SD | ||
| Starting time | 21:16 | 0.031 | 21:17 | 0.031 | 0.869 |
| Ending time | 7:06 | 0.026 | 7:03 | 0.031 | 0.734 |
| Duration, min | 591.40 | 37.932 | 586.61 | 46.872 | 0.611 |
| Activity | |||||
| Mean | 21.53 | 5.864 | 27.76 | 11.182 | 0.003 |
| SD | 42.82 | 7.543 | 50.13 | 11.331 | 0.001 |
| Wake time, min | 121.83 | 43.819 | 134.61 | 54.415 | 0.243 |
| Sleep time, min | 469.57 | 52.626 | 452.00 | 65.070 | 0.181 |
| % Sleep | 79.44 | 7.275 | 77.16 | 9.078 | 0.212 |
| SE, % | 84.21 | 6.232 | 83.63 | 7.927 | 0.716 |
| SOL | 21.71 | 8.966 | 34.42 | 21.943 | 0.002 |
| WASO | 87.46 | 32.989 | 88.03 | 41.860 | 0.946 |
| Wake episodes | |||||
| > 1–min | 20.44 | 4.847 | 17.93 | 5.379 | 0.027 |
| > 5 min | 6.56 | 2.046 | 5.96 | 2.102 | 0.185 |
| Mean duration, min | 9.39 | 18.775 | 8.97 | 4.935 | 0.872 |
| Longest, min | 34.70 | 20.112 | 49.00 | 21.901 | 0.002 |
| Total, no. | 19.91 | 4.726 | 17.45 | 5.3843 | 0.029 |
a
T test for equality of means. Data are presented as mean and SD for typically developing (TD) children and children with autism spectrum disorders (ASD. TST refers to total sleep time; SE, sleep efficiency; SOL, sleep-onset latency; WASO, wake time after sleep onset.