Name

slp_lat

Label

Sleep latency

Description

Time from lights out time to beginning of sleep, rounded to nearest minute

Calculation
slp_lat = slplatp
Units
minutes
Type
numeric
Visit vs Sleep latency
N Mean StdDev Median Min Max Unknown Total
Visit 5 376 37.9 ± 39.8 32.5 0.0 539.0 359 735
Age at time of visit vs Sleep latency
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 338 38.5 ± 40.9 34.0 0.0 539.0 320 658
5-14 yrs old 33 36.8 ± 21.4 39.0 0.0 96.0 31 64
15-24 yrs old 70 37.3 ± 29.7 34.5 0.0 156.0 42 112
25-34 yrs old 30 35.1 ± 23.2 35.5 0.0 88.0 32 62
35-44 years 43 34.9 ± 35.3 28.0 0.0 185.0 55 98
45-54 years 71 34.6 ± 29.2 29.0 0.0 209.0 77 148
55-64 years 44 37.0 ± 31.6 31.5 1.0 161.0 40 84
65-74 years 31 41.7 ± 35.1 36.0 0.0 131.0 26 57
75-84 years 15 82.0 ± 133.4 46.0 0.0 539.0 16 31
85 years or older 1 9.0 - 9.0 9.0 9.0 1 2
Sex vs Sleep latency
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 376 37.9 ± 39.8 32.5 0.0 539.0 359 735
Female 203 35.6 ± 31.5 30.0 0.0 209.0 203 406
Male 173 40.7 ± 47.7 36.0 0.0 539.0 156 329
Race vs Sleep latency
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 376 37.9 ± 39.8 32.5 0.0 539.0 359 735
White 185 39.0 ± 33.7 35.0 0.0 209.0 119 304
Black 179 36.6 ± 46.1 32.0 0.0 539.0 230 409
Other 12 41.3 ± 21.7 42.5 10.0 85.0 10 22