Histogram

Visit vs How many hours of sleep on weekend days
N Mean StdDev Median Min Max Unknown Total
Visit 5 727 7.6 ± 1.8 8.0 1.0 14.0 8 735
Participant's age (category) vs How many hours of sleep on weekend days
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 650 7.6 ± 1.8 8.0 1.0 14.0 8 658
5-14 yrs old 61 9.1 ± 1.7 9.0 5.0 14.0 3 64
15-24 yrs old 110 8.2 ± 1.9 8.0 4.0 12.0 2 112
25-34 yrs old 61 7.6 ± 1.8 8.0 2.0 13.0 1 62
35-44 years 98 7.3 ± 1.6 7.0 1.0 11.0 - 98
45-54 years 148 7.3 ± 1.8 7.0 3.0 14.0 - 148
55-64 years 82 7.5 ± 1.6 7.0 4.0 13.0 2 84
65-74 years 57 7.1 ± 1.3 7.0 3.0 10.0 - 57
75-84 years 31 6.8 ± 1.3 7.0 4.0 10.0 - 31
85 years or older 2 8.5 ± 0.7 8.5 8.0 9.0 - 2
Participant's sex vs How many hours of sleep on weekend days
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 727 7.6 ± 1.8 8.0 1.0 14.0 8 735
Female 402 7.6 ± 1.8 8.0 1.0 14.0 4 406
Male 325 7.6 ± 1.8 8.0 3.0 14.0 4 329
Participant's race vs How many hours of sleep on weekend days
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 727 7.6 ± 1.8 8.0 1.0 14.0 8 735
White 301 7.9 ± 1.6 8.0 1.0 13.0 3 304
Black 404 7.4 ± 1.9 7.0 2.0 14.0 5 409
More than one race 22 7.6 ± 2.0 8.0 4.0 12.0 - 22