Gender
Visit vs Sleep onset time (hours of the day) from type I polysomnography
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Peds | - | - | - | - | - | - | - | - |
| Teenz | - | - | - | - | - | - | - | - |
| TREC | 515 | 23.1 | ± 0.9 | 23.2 | 20.3 | 30.1 | 2 | 517 |
Age at time of visit vs Sleep onset time (hours of the day) from type I polysomnography
TREC
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 515 | 23.1 | ± 0.9 | 23.2 | 20.3 | 30.1 | 2 | 517 |
| 16.14 to 17.41 years | 130 | 23.2 | ± 0.7 | 23.3 | 21.3 | 25.4 | - | 130 |
| 17.41 to 17.69 years | 128 | 23.1 | ± 1.1 | 23.1 | 20.3 | 30.1 | 1 | 129 |
| 17.69 to 17.91 years | 129 | 23.1 | ± 0.8 | 23.2 | 20.7 | 26.6 | - | 129 |
| 17.91 to 19.56 years | 128 | 23.2 | ± 0.9 | 23.2 | 20.6 | 26.4 | 1 | 129 |
Male gender vs Sleep onset time (hours of the day) from type I polysomnography
TREC
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 515 | 23.1 | ± 0.9 | 23.2 | 20.3 | 30.1 | 2 | 517 |
| No | 255 | 23.1 | ± 0.8 | 23.2 | 20.7 | 26.6 | 1 | 256 |
| Yes | 260 | 23.1 | ± 1.0 | 23.2 | 20.3 | 30.1 | 1 | 261 |
Race vs Sleep onset time (hours of the day) from type I polysomnography
TREC
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 515 | 23.1 | ± 0.9 | 23.2 | 20.3 | 30.1 | 2 | 517 |
| White | 307 | 23.2 | ± 0.9 | 23.2 | 20.3 | 30.1 | 2 | 309 |
| Black | 185 | 23.0 | ± 0.9 | 23.1 | 20.7 | 26.6 | - | 185 |
| Other | 23 | 23.1 | ± 0.7 | 23.2 | 20.6 | 24.6 | - | 23 |