Table 1 Demographic statistics
| Â | N | TD | ASD | Test statistic | p value | ||
|---|---|---|---|---|---|---|---|
(N = 104) | (N = 140) | ||||||
Md | IQR | Md | IQR | ||||
Age | 244 | 11.6 | (10.6, 12.6) | 11.2 | (10.5, 12.2) | F1,242 = 2.71 | 0.1013 |
GB stage | 238 | 2 | (1, 3) | 2 | (1, 3) | F1,236 = 0.04 | 0.8353 |
PH stage | 238 | 2 | (1, 3) | 1 | (1, 3) | F1,236 = 0.12 | 0.7333 |
SRS total T Score | 240 | 46.0 | (43.0, 51.5) | 76.0 | (69.0, 82.0) | F1,238 = 544.4 |  < 0.0013 |
BMI percentile | 239 | 53 | (30, 88) | 69 | (39, 96) | F1,237 = 6.12 | 0.0143 |
Waking T day 1 | 206 | 5.4 | (2.1, 13.5) | 7.8 | (1.1, 27.6) | F1,201 = 1.70 | 0.1933 |
Post-waking T day 1 | 203 | 3.3 | (0.3, 13.1) | 5.5 | (0.6, 17.0) | F1,201 = 1.84 | 0.1763 |
Waking T day 2 | 206 | 5.1 | (1.7, 12.3) | 6.2 | (1.4, 28.5) | F1,204 = 1.45 | 0.2303 |
Post-waking T day 2 | 202 | 3.1 | (0.6, 12.1) | 6.1 | (0.7, 15.8) | F1,200 = 2.81 | 0.0953 |
Waking T day 3 | 203 | 4.1 | (1.4, 13.4) | 8.1 | (3.0, 29.9) | F1,201 = 5.01 | 0.0263 |
Post-waking T day 3 | 197 | 3.6 | (1.0, 9.9) | 5.4 | (1.4, 16.7) | F1,195 = 1.91 | 0.1683 |
| Â | N | Proportion | Proportion | Test statistic | Â | ||
|---|---|---|---|---|---|---|---|
Sex: female | 244 | 0.442 46/104 |  | 0.257 36/140 |  | Χ2 = 9.17 | 0.0022 |
Race | 244 |  |  |  |  | Χ2 = 12.06 | 0.0072 |
 White |  | 0.856 (89/104) |  | 0.814 (114/140) |  |  |  |
 Black |  | 0.019 (2/104) |  | 0.121 (17/140) |  |  |  |
 Asian/Pacific Islander |  | 0.000 (0/104) |  | 0.007 (1/140) |  |  |  |
 Multiracial |  | 0.125 (13/104) |  | 0.057 (8/140) |  |  |  |