Race

Visit vs Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 1.6 ± 1.5 1.0 0.0 9.0 3 735
Participant's age (category) vs Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 1.6 ± 1.5 1.0 0.0 9.0 3 658
5-14 yrs old 64 1.7 ± 1.3 2.0 0.0 5.0 - 64
15-24 yrs old 112 1.8 ± 1.4 2.0 0.0 6.0 - 112
25-34 yrs old 62 2.2 ± 1.6 2.0 0.0 7.0 - 62
35-44 years 97 1.9 ± 1.9 1.0 0.0 9.0 1 98
45-54 years 146 1.5 ± 1.3 1.0 0.0 6.0 2 148
55-64 years 84 1.3 ± 1.4 1.0 0.0 8.0 - 84
65-74 years 57 0.9 ± 1.2 1.0 0.0 7.0 - 57
75-84 years 31 0.7 ± 1.1 0.0 0.0 5.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2
Participant's sex vs Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 1.6 ± 1.5 1.0 0.0 9.0 3 735
Female 403 1.8 ± 1.6 1.0 0.0 9.0 3 406
Male 329 1.4 ± 1.4 1.0 0.0 8.0 - 329
Participant's race vs Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 1.6 ± 1.5 1.0 0.0 9.0 3 735
White 302 1.5 ± 1.4 1.0 0.0 8.0 2 304
Black 408 1.6 ± 1.6 1.0 0.0 9.0 1 409
More than one race 22 2.3 ± 1.6 2.0 0.0 5.0 - 22