Name

tmstg2p

Label

Percent of sleep time in stage 2 sleep

Units
percent
Type
numeric
Visit vs Percent of sleep time in stage 2 sleep
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 56.7 ± 13.6 56.7 9.4 100.0 3 735
Age at time of visit vs Percent of sleep time in stage 2 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 56.7 ± 13.6 56.7 9.4 100.0 3 658
5-14 yrs old 64 39.4 ± 14.2 38.9 9.4 100.0 - 64
15-24 yrs old 112 53.2 ± 10.2 52.4 28.9 100.0 - 112
25-34 yrs old 62 56.0 ± 10.7 55.5 25.7 83.5 - 62
35-44 years 97 60.3 ± 11.9 59.7 34.8 100.0 1 98
45-54 years 146 58.9 ± 10.9 59.5 35.5 100.0 2 148
55-64 years 84 60.7 ± 14.2 60.5 21.2 100.0 - 84
65-74 years 57 62.3 ± 12.9 61.8 31.0 90.0 - 57
75-84 years 31 61.8 ± 11.7 64.2 37.6 84.1 - 31
85 years or older 2 81.2 ± 0.1 81.2 81.1 81.3 - 2
Sex vs Percent of sleep time in stage 2 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 56.7 ± 13.6 56.7 9.4 100.0 3 735
Female 403 55.2 ± 13.0 54.7 9.4 100.0 3 406
Male 329 58.6 ± 14.2 58.3 13.6 100.0 - 329
Race vs Percent of sleep time in stage 2 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 56.7 ± 13.6 56.7 9.4 100.0 3 735
White 302 55.6 ± 13.1 55.0 9.4 100.0 2 304
Black 408 57.7 ± 14.1 57.5 13.6 100.0 1 409
Other 22 53.3 ± 10.1 53.6 33.1 72.4 - 22