Gender
Visit vs Standardized Knudson predictor: FEF 25%
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 565 | 6.6 | ± 1.2 | 6.1 | 4.5 | 9.0 | 170 | 735 |
Participant's age (category) vs Standardized Knudson predictor: FEF 25%
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 507 | 6.7 | ± 1.2 | 6.1 | 4.5 | 9.0 | 151 | 658 |
| 5-14 yrs old | - | - | - | - | - | - | 64 | 64 |
| 15-24 yrs old | 25 | 6.2 | ± 0.2 | 6.2 | 5.8 | 6.5 | 87 | 112 |
| 25-34 yrs old | 62 | 7.2 | ± 1.2 | 7.2 | 5.6 | 9.0 | - | 62 |
| 35-44 years | 98 | 6.7 | ± 1.2 | 6.0 | 5.3 | 8.9 | - | 98 |
| 45-54 years | 148 | 6.6 | ± 1.2 | 5.8 | 5.1 | 8.5 | - | 148 |
| 55-64 years | 84 | 6.5 | ± 1.2 | 5.7 | 5.1 | 8.6 | - | 84 |
| 65-74 years | 57 | 6.5 | ± 1.2 | 7.3 | 4.8 | 8.2 | - | 57 |
| 75-84 years | 31 | 6.2 | ± 1.3 | 5.3 | 4.5 | 7.9 | - | 31 |
| 85 years or older | 2 | 7.0 | ± 0.3 | 7.0 | 6.8 | 7.2 | - | 2 |
Participant's sex vs Standardized Knudson predictor: FEF 25%
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 565 | 6.6 | ± 1.2 | 6.1 | 4.5 | 9.0 | 170 | 735 |
| Female | 329 | 5.7 | ± 0.4 | 5.7 | 4.5 | 6.6 | 77 | 406 |
| Male | 236 | 8.0 | ± 0.4 | 8.0 | 6.8 | 9.0 | 93 | 329 |
Participant's race vs Standardized Knudson predictor: FEF 25%
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 565 | 6.6 | ± 1.2 | 6.1 | 4.5 | 9.0 | 170 | 735 |
| White | 246 | 6.7 | ± 1.2 | 6.2 | 4.5 | 9.0 | 58 | 304 |
| Black | 311 | 6.6 | ± 1.2 | 6.0 | 4.8 | 9.0 | 98 | 409 |
| More than one race | 8 | 6.4 | ± 1.0 | 6.1 | 5.3 | 8.0 | 14 | 22 |