Histogram

Visit vs Hours of nap1
N Mean StdDev Median Min Max Unknown Total
Visit 5 105 0.8 ± 1.0 1.0 0.0 5.0 630 735
Participant's age (category) vs Hours of nap1
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 95 0.8 ± 1.0 1.0 0.0 5.0 563 658
5-14 yrs old 5 0.8 ± 0.4 1.0 0.0 1.0 59 64
15-24 yrs old 18 1.2 ± 1.0 1.0 0.0 4.0 94 112
25-34 yrs old 13 0.9 ± 0.9 1.0 0.0 3.0 49 62
35-44 years 17 1.0 ± 1.3 1.0 0.0 5.0 81 98
45-54 years 20 0.5 ± 0.9 0.0 0.0 3.0 128 148
55-64 years 12 0.7 ± 1.0 0.0 0.0 3.0 72 84
65-74 years 4 1.0 ± 0.0 1.0 1.0 1.0 53 57
75-84 years 6 0.7 ± 0.8 0.5 0.0 2.0 25 31
85 years or older - - - - - - 2 2
Participant's sex vs Hours of nap1
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 105 0.8 ± 1.0 1.0 0.0 5.0 630 735
Female 48 0.7 ± 1.1 0.0 0.0 5.0 358 406
Male 57 0.9 ± 0.9 1.0 0.0 4.0 272 329
Participant's race vs Hours of nap1
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 105 0.8 ± 1.0 1.0 0.0 5.0 630 735
White 34 0.6 ± 0.6 1.0 0.0 2.0 270 304
Black 66 0.9 ± 1.1 1.0 0.0 5.0 343 409
More than one race 5 0.8 ± 0.8 1.0 0.0 2.0 17 22