Gender
Visit vs Calculated sleep duration on all days
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 729 | 7.8 | ± 1.7 | 7.8 | 1.5 | 14.0 | 6 | 735 |
Participant's age (category) vs Calculated sleep duration on all days
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 652 | 7.8 | ± 1.7 | 7.8 | 1.5 | 14.0 | 6 | 658 |
| 5-14 yrs old | 63 | 9.5 | ± 1.3 | 9.6 | 4.5 | 12.2 | 1 | 64 |
| 15-24 yrs old | 111 | 8.4 | ± 1.4 | 8.4 | 4.1 | 12.7 | 1 | 112 |
| 25-34 yrs old | 61 | 7.7 | ± 1.9 | 7.8 | 1.5 | 13.4 | 1 | 62 |
| 35-44 years | 97 | 7.4 | ± 1.4 | 7.3 | 3.1 | 12.6 | 1 | 98 |
| 45-54 years | 148 | 7.3 | ± 1.5 | 7.2 | 3.8 | 12.4 | - | 148 |
| 55-64 years | 83 | 7.6 | ± 1.6 | 7.6 | 3.2 | 14.0 | 1 | 84 |
| 65-74 years | 56 | 7.7 | ± 1.9 | 7.7 | 3.0 | 14.0 | 1 | 57 |
| 75-84 years | 31 | 7.7 | ± 1.7 | 8.0 | 4.9 | 12.1 | - | 31 |
| 85 years or older | 2 | 7.5 | ± 0.7 | 7.5 | 7.0 | 8.0 | - | 2 |
Participant's sex vs Calculated sleep duration on all days
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 729 | 7.8 | ± 1.7 | 7.8 | 1.5 | 14.0 | 6 | 735 |
| Female | 402 | 7.9 | ± 1.6 | 7.8 | 1.5 | 13.0 | 4 | 406 |
| Male | 327 | 7.8 | ± 1.8 | 7.8 | 3.0 | 14.0 | 2 | 329 |
Participant's race vs Calculated sleep duration on all days
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 729 | 7.8 | ± 1.7 | 7.8 | 1.5 | 14.0 | 6 | 735 |
| White | 304 | 7.9 | ± 1.4 | 7.8 | 3.0 | 11.4 | - | 304 |
| Black | 403 | 7.8 | ± 1.9 | 7.8 | 1.5 | 14.0 | 6 | 409 |
| More than one race | 22 | 8.1 | ± 1.7 | 7.9 | 4.8 | 12.2 | - | 22 |