Name
slpprdp
Label
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
Description

Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater).

Units
minutes
Type
numeric
Visit vs Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 372.8 ± 75.3 377.5 19.0 576.0 3 735
Participant's age (category) vs Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 371.7 ± 76.5 377.0 19.0 576.0 3 658
5-14 yrs old 64 407.7 ± 65.6 414.5 237.0 560.0 - 64
15-24 yrs old 112 393.7 ± 66.5 395.5 40.0 516.0 - 112
25-34 yrs old 62 400.9 ± 69.9 392.0 227.0 560.0 - 62
35-44 years 97 393.0 ± 68.2 397.0 214.0 576.0 1 98
45-54 years 146 360.8 ± 68.3 368.0 136.0 564.0 2 148
55-64 years 84 349.6 ± 74.6 354.0 131.0 530.0 - 84
65-74 years 57 317.3 ± 77.2 324.0 144.0 477.0 - 57
75-84 years 31 309.5 ± 91.3 317.0 19.0 442.0 - 31
85 years or older 2 279.5 ± 13.4 279.5 270.0 289.0 - 2
Participant's sex vs Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 372.8 ± 75.3 377.5 19.0 576.0 3 735
Female 403 377.2 ± 71.1 379.0 40.0 576.0 3 406
Male 329 367.4 ± 79.9 375.0 19.0 564.0 - 329
Participant's race vs Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 372.8 ± 75.3 377.5 19.0 576.0 3 735
White 302 363.7 ± 73.7 372.5 40.0 554.0 2 304
Black 408 378.4 ± 76.8 382.5 19.0 576.0 1 409
More than one race 22 394.5 ± 53.8 390.0 290.0 512.0 - 22