Histogram
Visit vs Spirometry:Forced expiratory volume (FEV), 1st second
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 702 | 2.8 | ± 0.9 | 2.7 | 0.4 | 6.1 | 33 | 735 |
Participant's age (category) vs Spirometry:Forced expiratory volume (FEV), 1st second
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 632 | 2.8 | ± 0.9 | 2.7 | 0.4 | 6.1 | 26 | 658 |
| 5-14 yrs old | 61 | 2.3 | ± 0.7 | 2.1 | 1.0 | 4.9 | 3 | 64 |
| 15-24 yrs old | 110 | 3.5 | ± 0.8 | 3.4 | 1.7 | 6.1 | 2 | 112 |
| 25-34 yrs old | 59 | 3.4 | ± 0.9 | 3.4 | 1.6 | 5.9 | 3 | 62 |
| 35-44 years | 93 | 3.0 | ± 0.9 | 2.8 | 1.4 | 5.1 | 5 | 98 |
| 45-54 years | 138 | 2.6 | ± 0.8 | 2.6 | 1.1 | 4.7 | 10 | 148 |
| 55-64 years | 83 | 2.4 | ± 0.7 | 2.4 | 1.2 | 4.4 | 1 | 84 |
| 65-74 years | 55 | 2.1 | ± 0.8 | 2.0 | 0.8 | 4.3 | 2 | 57 |
| 75-84 years | 31 | 1.8 | ± 0.7 | 1.7 | 0.4 | 3.2 | - | 31 |
| 85 years or older | 2 | 2.1 | ± 0.1 | 2.1 | 2.0 | 2.2 | - | 2 |
Participant's sex vs Spirometry:Forced expiratory volume (FEV), 1st second
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 702 | 2.8 | ± 0.9 | 2.7 | 0.4 | 6.1 | 33 | 735 |
| Female | 390 | 2.5 | ± 0.7 | 2.5 | 0.4 | 4.6 | 16 | 406 |
| Male | 312 | 3.2 | ± 1.0 | 3.1 | 0.7 | 6.1 | 17 | 329 |
Participant's race vs Spirometry:Forced expiratory volume (FEV), 1st second
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 702 | 2.8 | ± 0.9 | 2.7 | 0.4 | 6.1 | 33 | 735 |
| White | 294 | 3.1 | ± 1.0 | 3.1 | 0.4 | 6.1 | 10 | 304 |
| Black | 386 | 2.5 | ± 0.8 | 2.5 | 0.8 | 4.9 | 23 | 409 |
| More than one race | 22 | 3.0 | ± 1.0 | 3.0 | 1.5 | 5.4 | - | 22 |