Gender

Visit vs Head measurement - side to side
N Mean StdDev Median Min Max Unknown Total
Visit 5 734 15.4 ± 0.9 15.3 11.4 20.2 1 735
Participant's age (category) vs Head measurement - side to side
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 657 15.4 ± 0.9 15.3 11.4 20.2 1 658
5-14 yrs old 64 14.8 ± 0.8 14.7 12.4 17.5 - 64
15-24 yrs old 111 15.2 ± 0.8 15.3 13.3 17.6 1 112
25-34 yrs old 62 15.4 ± 0.9 15.5 13.3 18.0 - 62
35-44 years 98 15.3 ± 0.9 15.2 13.4 18.1 - 98
45-54 years 148 15.5 ± 0.7 15.5 14.1 17.3 - 148
55-64 years 84 15.7 ± 1.2 15.6 11.4 20.2 - 84
65-74 years 57 15.5 ± 0.7 15.5 14.0 16.6 - 57
75-84 years 31 15.4 ± 0.7 15.4 14.2 17.0 - 31
85 years or older 2 15.4 ± 0.0 15.4 15.4 15.4 - 2
Participant's sex vs Head measurement - side to side
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 734 15.4 ± 0.9 15.3 11.4 20.2 1 735
Female 406 15.1 ± 0.8 15.1 11.4 19.2 - 406
Male 328 15.7 ± 0.9 15.7 12.0 20.2 1 329
Participant's race vs Head measurement - side to side
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 734 15.4 ± 0.9 15.3 11.4 20.2 1 735
White 304 15.5 ± 0.8 15.4 12.9 20.2 - 304
Black 408 15.3 ± 0.9 15.3 11.4 18.1 1 409
More than one race 22 15.0 ± 0.7 14.9 13.9 16.2 - 22