TABLE 3.
Demographics of ASD participants by group.
| Characteristic | All ASD participants at baseline | Participants wearing AMI watch (for ≥2 nights) over 7 days before midpoint | Participants wearing AMI watch (for ≥2 nights) over 7 days before endpoint |
| Number of participants | 139 | 58 | 38 |
| Age (years), mean (SD) | 14.5 (7.91) | 13 (7.17) | 14 (6.01) |
| Median (range) | 12 (6–54) | 12 (6–51) | 12 (6–32) |
| Male, n (%) | 108 (77.7) | 50 (86.2) | 30 (78.9) |
| KBIT-2 IQ composite score, mean (SD) | 99.0 (19.55) | 98.83 (18.94) | 99.16 (18.22) |
| ADOS CSS Total Score, mean (SD) | 7.59 (1.74) | 7.24 (1.74) | 7.5 (1.81) |
| Caregiver-reported sleep problems, n (%) | 59 (42.45) | 23(39.66) | 13 (34.21) |
| ABI sleep, mean (SD) | 4.83 (1.19) | 4.48 (1.08) | 4.54 (1.33) |
| Sleep duration (min), mean (SD) | 480.98 (72.45) | 450.1 (81.09) | |
| Sleep start (min), mean (SD) | −81.21 (76.18) | −73.15 (78.27) | |
| Awakenings, mean (SD) | 17.5 (6.2) | 18.3 (6.69) | |
| Sleep efficiency, mean (SD) | 90.99 (4.73) | 89.02 (8.12) |
ADOS CSS, Autism Diagnostic Observation Schedule calibrated severity score; AMI, Ambulatory Monitoring, Inc., Motionlogger Actigraph; KBIT-2, Kaufmann Brief Intelligence Test-2 IQ; SD, standard deviation; N, number of ASD participants for each group that was used in correlation analyses.