Name

times34p

Label

Percent Time in Stage 3/4

Description

Percent of sleep time in stage 3-4

Calculation
times34p = tmstg34p
Units
percent
Type
numeric
Visit vs Percent Time in Stage 3/4
N Mean StdDev Median Min Max Unknown Total
Visit 5 711 20.6 ± 13.4 19.3 0.0 79.4 24 735
Age at time of visit vs Percent Time in Stage 3/4
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 638 20.7 ± 13.6 19.2 0.0 79.4 20 658
5-14 yrs old 63 44.0 ± 13.3 43.2 19.3 79.4 1 64
15-24 yrs old 110 26.1 ± 9.7 24.1 4.8 57.3 2 112
25-34 yrs old 61 19.5 ± 8.7 20.2 0.0 41.0 1 62
35-44 years 93 15.7 ± 8.7 15.5 0.0 38.7 5 98
45-54 years 141 17.3 ± 9.5 16.7 0.0 48.5 7 148
55-64 years 83 14.8 ± 11.6 13.1 0.0 53.0 1 84
65-74 years 54 13.5 ± 11.1 11.9 0.0 39.6 3 57
75-84 years 31 15.6 ± 13.8 11.7 0.0 47.6 - 31
85 years or older 2 1.3 ± 1.8 1.3 0.0 2.6 - 2
Sex vs Percent Time in Stage 3/4
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 711 20.6 ± 13.4 19.3 0.0 79.4 24 735
Female 398 22.5 ± 12.2 21.0 0.0 79.4 8 406
Male 313 18.2 ± 14.5 15.7 0.0 70.9 16 329
Race vs Percent Time in Stage 3/4
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 711 20.6 ± 13.4 19.3 0.0 79.4 24 735
White 296 21.8 ± 13.0 22.1 0.0 79.4 8 304
Black 393 19.5 ± 13.8 17.5 0.0 75.5 16 409
Other 22 24.2 ± 11.2 23.7 5.9 52.5 - 22