Name

tmstg1p

Label

Percent of sleep time in stage 1 sleep

Units
percent
Type
numeric
Visit vs Percent of sleep time in stage 1 sleep
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 5.1 ± 4.6 4.1 0.0 63.4 3 735
Age at time of visit vs Percent of sleep time in stage 1 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 5.2 ± 4.8 4.1 0.0 63.4 3 658
5-14 yrs old 64 3.2 ± 2.0 2.7 0.0 11.5 - 64
15-24 yrs old 112 4.1 ± 2.7 3.7 0.0 20.3 - 112
25-34 yrs old 62 4.9 ± 7.8 3.6 0.8 63.4 - 62
35-44 years 97 4.7 ± 3.6 3.9 0.0 18.9 1 98
45-54 years 146 4.9 ± 3.0 4.2 0.0 16.3 2 148
55-64 years 84 5.9 ± 4.1 4.9 0.0 21.3 - 84
65-74 years 57 7.7 ± 7.4 5.6 0.6 47.4 - 57
75-84 years 31 9.8 ± 6.7 8.3 1.3 28.9 - 31
85 years or older 2 12.7 ± 3.7 12.7 10.0 15.3 - 2
Sex vs Percent of sleep time in stage 1 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 5.1 ± 4.6 4.1 0.0 63.4 3 735
Female 403 4.4 ± 4.0 3.8 0.0 63.4 3 406
Male 329 6.0 ± 5.1 4.7 0.0 47.4 - 329
Race vs Percent of sleep time in stage 1 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 5.1 ± 4.6 4.1 0.0 63.4 3 735
White 302 5.3 ± 3.6 4.5 0.0 21.3 2 304
Black 408 5.1 ± 5.3 3.9 0.0 63.4 1 409
Other 22 3.8 ± 1.8 3.6 1.1 7.1 - 22