Race
Visit vs Head measurement - back to front
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 734 | 19.4 | ± 1.0 | 19.5 | 14.7 | 25.0 | 1 | 735 |
Participant's age (category) vs Head measurement - back to front
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 657 | 19.4 | ± 1.0 | 19.5 | 14.7 | 25.0 | 1 | 658 |
| 5-14 yrs old | 64 | 18.6 | ± 0.9 | 18.6 | 16.1 | 20.7 | - | 64 |
| 15-24 yrs old | 111 | 19.4 | ± 1.2 | 19.4 | 17.4 | 25.0 | 1 | 112 |
| 25-34 yrs old | 62 | 19.6 | ± 1.2 | 19.7 | 15.3 | 22.3 | - | 62 |
| 35-44 years | 98 | 19.6 | ± 1.0 | 19.5 | 17.2 | 21.6 | - | 98 |
| 45-54 years | 148 | 19.6 | ± 0.9 | 19.6 | 17.2 | 22.0 | - | 148 |
| 55-64 years | 84 | 19.4 | ± 0.9 | 19.4 | 14.7 | 21.0 | - | 84 |
| 65-74 years | 57 | 19.6 | ± 0.9 | 19.8 | 17.4 | 22.5 | - | 57 |
| 75-84 years | 31 | 19.2 | ± 0.9 | 19.1 | 17.5 | 21.6 | - | 31 |
| 85 years or older | 2 | 19.6 | ± 0.6 | 19.6 | 19.2 | 20.0 | - | 2 |
Participant's sex vs Head measurement - back to front
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 734 | 19.4 | ± 1.0 | 19.5 | 14.7 | 25.0 | 1 | 735 |
| Female | 406 | 19.0 | ± 0.9 | 19.0 | 14.7 | 24.0 | - | 406 |
| Male | 328 | 19.9 | ± 0.9 | 19.9 | 17.1 | 25.0 | 1 | 329 |
Participant's race vs Head measurement - back to front
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 734 | 19.4 | ± 1.0 | 19.5 | 14.7 | 25.0 | 1 | 735 |
| White | 304 | 19.4 | ± 0.9 | 19.4 | 17.1 | 25.0 | - | 304 |
| Black | 408 | 19.4 | ± 1.1 | 19.5 | 14.7 | 24.0 | 1 | 409 |
| More than one race | 22 | 19.3 | ± 1.1 | 19.1 | 17.4 | 21.5 | - | 22 |