Name
waso
Label
Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Description

Total amount of time spent awake after going to sleep

Calculation
waso = timebedp - slpprdp - slplatp
Units
minutes
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,804 61.4 ± 44.0 49.5 0.0 368.0 - 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 80.2 ± 54.8 68.0 2.0 378.0 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 61.4 ± 44.0 49.5 0.0 368.0 - 5,804
35-44 years 342 39.8 ± 33.3 29.8 2.0 192.0 - 342
45-54 years 1,017 46.8 ± 33.7 37.0 1.0 244.5 - 1,017
55-64 years 1,769 55.4 ± 37.5 45.5 0.0 338.5 - 1,769
65-74 years 1,617 69.6 ± 46.2 57.5 1.5 336.0 - 1,617
75-84 years 955 78.9 ± 51.9 68.0 0.0 368.0 - 955
85 years or older 104 91.0 ± 52.9 81.8 4.0 215.5 - 104
Gender of the participant vs Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 61.4 ± 44.0 49.5 0.0 368.0 - 5,804
Male 2,765 66.4 ± 46.6 54.5 1.5 368.0 - 2,765
Female 3,039 56.9 ± 41.0 45.0 0.0 327.0 - 3,039
Gender of the participant vs Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 80.2 ± 54.8 68.0 2.0 378.0 1,429 4,080
Male 1,226 88.4 ± 58.3 75.0 5.0 378.0 635 1,861
Female 1,425 73.1 ± 50.4 61.0 2.0 335.0 794 2,219
Race of the participant vs Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 61.4 ± 44.0 49.5 0.0 368.0 - 5,804
White 4,907 61.5 ± 43.4 50.0 0.0 368.0 - 4,907
Black 515 67.6 ± 50.1 52.5 2.0 269.0 - 515
Other 382 51.9 ± 41.3 39.3 0.0 276.5 - 382
Race of the participant vs Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 80.2 ± 54.8 68.0 2.0 378.0 1,429 4,080
White 2,311 78.9 ± 52.8 68.0 2.0 378.0 1,276 3,587
Black 181 108.2 ± 75.1 92.0 5.0 375.0 75 256
Other 159 67.5 ± 45.6 56.0 5.0 210.0 78 237