Race

Visit vs Concentration of best DNA sample
N Mean StdDev Median Min Max Unknown Total
Visit 5 576 0.7 ± 0.4 0.7 0.02 4.7 159 735
Participant's age (category) vs Concentration of best DNA sample
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 518 0.7 ± 0.3 0.7 0.02 2.7 140 658
5-14 yrs old 35 0.6 ± 0.2 0.6 0.1 1.2 29 64
15-24 yrs old 92 0.7 ± 0.4 0.6 0.04 1.9 20 112
25-34 yrs old 43 0.7 ± 0.3 0.7 0.2 1.3 19 62
35-44 years 78 0.7 ± 0.3 0.7 0.1 1.8 20 98
45-54 years 120 0.7 ± 0.4 0.7 0.03 2.7 28 148
55-64 years 74 0.7 ± 0.3 0.7 0.02 1.7 10 84
65-74 years 47 0.6 ± 0.3 0.7 0.09 1.3 10 57
75-84 years 27 0.6 ± 0.3 0.6 0.02 1.5 4 31
85 years or older 2 0.4 ± 0.3 0.4 0.2 0.6 - 2
Participant's sex vs Concentration of best DNA sample
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 576 0.7 ± 0.4 0.7 0.02 4.7 159 735
Female 321 0.7 ± 0.4 0.7 0.02 4.7 85 406
Male 255 0.7 ± 0.3 0.7 0.03 1.9 74 329
Participant's race vs Concentration of best DNA sample
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 576 0.7 ± 0.4 0.7 0.02 4.7 159 735
White 270 0.7 ± 0.4 0.7 0.02 4.7 34 304
Black 286 0.7 ± 0.3 0.7 0.02 2.7 123 409
More than one race 20 0.8 ± 0.3 0.8 0.4 1.5 2 22