Age
Visit vs Spirometry: Peak expiratory flow
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 700 | 6.9 | ± 2.5 | 6.6 | 1.0 | 16.2 | 35 | 735 |
Participant's age (category) vs Spirometry: Peak expiratory flow
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 630 | 6.9 | ± 2.6 | 6.6 | 1.0 | 16.2 | 28 | 658 |
| 5-14 yrs old | 60 | 5.1 | ± 1.8 | 4.9 | 2.0 | 12.8 | 4 | 64 |
| 15-24 yrs old | 110 | 7.6 | ± 2.2 | 7.4 | 3.0 | 13.3 | 2 | 112 |
| 25-34 yrs old | 59 | 8.3 | ± 2.7 | 8.0 | 3.9 | 15.5 | 3 | 62 |
| 35-44 years | 93 | 7.4 | ± 2.8 | 7.0 | 1.0 | 16.2 | 5 | 98 |
| 45-54 years | 137 | 7.0 | ± 2.3 | 6.8 | 1.8 | 13.8 | 11 | 148 |
| 55-64 years | 83 | 6.7 | ± 2.4 | 6.4 | 2.1 | 13.2 | 1 | 84 |
| 65-74 years | 55 | 6.3 | ± 2.6 | 6.0 | 1.9 | 14.3 | 2 | 57 |
| 75-84 years | 31 | 5.1 | ± 2.1 | 5.1 | 1.1 | 10.1 | - | 31 |
| 85 years or older | 2 | 7.8 | ± 1.8 | 7.8 | 6.5 | 9.1 | - | 2 |
Participant's sex vs Spirometry: Peak expiratory flow
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 700 | 6.9 | ± 2.5 | 6.6 | 1.0 | 16.2 | 35 | 735 |
| Female | 388 | 6.0 | ± 1.8 | 6.0 | 1.1 | 12.7 | 18 | 406 |
| Male | 312 | 8.0 | ± 2.8 | 7.9 | 1.0 | 16.2 | 17 | 329 |
Participant's race vs Spirometry: Peak expiratory flow
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 700 | 6.9 | ± 2.5 | 6.6 | 1.0 | 16.2 | 35 | 735 |
| White | 294 | 7.5 | ± 2.6 | 7.0 | 1.0 | 16.2 | 10 | 304 |
| Black | 384 | 6.4 | ± 2.3 | 6.2 | 1.8 | 14.6 | 25 | 409 |
| More than one race | 22 | 7.1 | ± 2.1 | 7.1 | 4.1 | 12.9 | - | 22 |