Name

minstg1p

Label

Time in stage 1 sleep

Units
minutes
Type
numeric
Visit vs Time in stage 1 sleep
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 18.2 ± 14.1 15.0 0.0 210.0 3 735
Age at time of visit vs Time in stage 1 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 18.3 ± 14.5 15.0 0.0 210.0 3 658
5-14 yrs old 64 13.0 ± 8.4 11.0 0.0 55.0 - 64
15-24 yrs old 112 15.6 ± 8.3 14.0 0.0 54.0 - 112
25-34 yrs old 62 19.0 ± 25.9 15.0 3.0 210.0 - 62
35-44 years 97 18.6 ± 14.5 15.0 0.0 102.0 1 98
45-54 years 146 17.4 ± 9.9 16.0 0.0 51.0 2 148
55-64 years 84 19.8 ± 13.0 17.0 0.0 67.0 - 84
65-74 years 57 22.6 ± 17.4 18.0 3.0 93.0 - 57
75-84 years 31 28.1 ± 19.8 23.0 5.0 77.0 - 31
85 years or older 2 35.5 ± 12.0 35.5 27.0 44.0 - 2
Sex vs Time in stage 1 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 18.2 ± 14.1 15.0 0.0 210.0 3 735
Female 403 16.1 ± 13.1 14.0 0.0 210.0 3 406
Male 329 20.8 ± 14.9 17.0 0.0 102.0 - 329
Race vs Time in stage 1 sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 18.2 ± 14.1 15.0 0.0 210.0 3 735
White 302 18.5 ± 11.7 16.0 0.0 102.0 2 304
Black 408 18.2 ± 15.9 15.0 0.0 210.0 1 409
Other 22 15.2 ± 7.4 16.0 4.0 28.0 - 22