Race

Visit vs Percent of Knudson predictor: FEF 25%-75% (including race correlation)
N Mean StdDev Median Min Max Unknown Total
Visit 5 689 87.2 ± 31.3 85.7 10.9 208.4 46 735
Participant's age (category) vs Percent of Knudson predictor: FEF 25%-75% (including race correlation)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 619 87.0 ± 31.6 85.2 10.9 208.4 39 658
5-14 yrs old 58 93.7 ± 30.6 88.5 34.4 208.4 6 64
15-24 yrs old 107 88.8 ± 24.3 88.3 28.2 142.9 5 112
25-34 yrs old 58 94.3 ± 31.5 88.8 29.7 187.5 4 62
35-44 years 90 90.0 ± 27.2 87.8 30.0 172.5 8 98
45-54 years 137 87.6 ± 32.7 85.5 24.1 198.1 11 148
55-64 years 83 84.7 ± 36.6 80.9 17.7 188.2 1 84
65-74 years 54 75.8 ± 36.4 74.2 10.9 149.9 3 57
75-84 years 30 70.1 ± 31.6 70.7 11.1 159.1 1 31
85 years or older 2 65.8 ± 6.9 65.8 60.9 70.6 - 2
Participant's sex vs Percent of Knudson predictor: FEF 25%-75% (including race correlation)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 689 87.2 ± 31.3 85.7 10.9 208.4 46 735
Female 379 88.8 ± 30.6 86.4 11.5 188.2 27 406
Male 310 85.1 ± 31.9 85.3 10.9 208.4 19 329
Participant's race vs Percent of Knudson predictor: FEF 25%-75% (including race correlation)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 689 87.2 ± 31.3 85.7 10.9 208.4 46 735
White 293 87.9 ± 29.7 87.1 11.1 173.6 11 304
Black 374 86.1 ± 32.7 84.4 10.9 208.4 35 409
More than one race 22 95.2 ± 25.3 92.3 55.2 136.5 - 22