Age

Visit vs Spirometry: Forced expiratory flow at 75
N Mean StdDev Median Min Max Unknown Total
Visit 5 689 1.2 ± 0.8 1.1 0.03 8.3 46 735
Participant's age (category) vs Spirometry: Forced expiratory flow at 75
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 619 1.2 ± 0.8 1.0 0.03 8.3 39 658
5-14 yrs old 57 1.2 ± 0.6 1.1 0.4 3.9 7 64
15-24 yrs old 108 1.8 ± 0.8 1.6 0.3 6.1 4 112
25-34 yrs old 58 1.7 ± 1.1 1.5 0.4 8.3 4 62
35-44 years 90 1.3 ± 0.8 1.1 0.3 6.7 8 98
45-54 years 137 1.0 ± 0.5 0.9 0.2 2.9 11 148
55-64 years 83 0.8 ± 0.5 0.7 0.2 2.2 1 84
65-74 years 54 0.6 ± 0.3 0.6 0.1 1.2 3 57
75-84 years 30 0.4 ± 0.2 0.4 0.03 0.8 1 31
85 years or older 2 0.5 ± 0.05 0.5 0.5 0.5 - 2
Participant's sex vs Spirometry: Forced expiratory flow at 75
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 689 1.2 ± 0.8 1.1 0.03 8.3 46 735
Female 379 1.1 ± 0.8 0.9 0.03 8.3 27 406
Male 310 1.3 ± 0.8 1.2 0.09 6.7 19 329
Participant's race vs Spirometry: Forced expiratory flow at 75
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 689 1.2 ± 0.8 1.1 0.03 8.3 46 735
White 293 1.3 ± 0.8 1.2 0.03 6.7 11 304
Black 374 1.1 ± 0.7 0.9 0.1 8.3 35 409
More than one race 22 1.4 ± 0.6 1.3 0.4 2.5 - 22