Histogram

Visit vs Number of hours of sleep during the weekdays
N Mean StdDev Median Min Max Unknown Total
Visit 5 731 7.0 ± 1.6 7.0 2.0 14.0 4 735
Participant's age (category) vs Number of hours of sleep during the weekdays
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 654 7.0 ± 1.7 7.0 2.0 14.0 4 658
5-14 yrs old 64 8.7 ± 1.3 9.0 5.0 13.0 - 64
15-24 yrs old 111 7.5 ± 1.7 8.0 4.0 12.0 1 112
25-34 yrs old 61 6.6 ± 1.6 7.0 2.0 11.0 1 62
35-44 years 98 6.6 ± 1.4 6.0 3.0 12.0 - 98
45-54 years 148 6.6 ± 1.5 6.0 3.0 14.0 - 148
55-64 years 82 6.6 ± 1.5 6.0 4.0 13.0 2 84
65-74 years 57 6.8 ± 1.4 7.0 3.0 10.0 - 57
75-84 years 31 6.9 ± 1.6 7.0 4.0 12.0 - 31
85 years or older 2 8.5 ± 0.7 8.5 8.0 9.0 - 2
Participant's sex vs Number of hours of sleep during the weekdays
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 731 7.0 ± 1.6 7.0 2.0 14.0 4 735
Female 404 6.9 ± 1.6 7.0 2.0 14.0 2 406
Male 327 7.0 ± 1.7 7.0 3.0 13.0 2 329
Participant's race vs Number of hours of sleep during the weekdays
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 731 7.0 ± 1.6 7.0 2.0 14.0 4 735
White 304 7.1 ± 1.4 7.0 3.0 12.0 - 304
Black 405 6.9 ± 1.8 7.0 2.0 14.0 4 409
More than one race 22 7.1 ± 1.6 7.0 4.0 10.0 - 22