Name
pcttststage12
Label
Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Description

Conventionally, total sleep duration would be called total sleep time (TST).

Units
percentage
Type
numeric
Study visit number vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 1,123 78.9 ± 8.3 79.5 37.6 100.0 - 1,123
Visit 2 758 73.4 ± 10.1 74.0 38.8 99.8 - 758
Visit 3 566 75.5 ± 9.6 76.0 36.3 99.8 - 566
Visit 4 121 75.7 ± 10.0 76.4 42.1 97.4 - 121
Visit 5 2 73.7 ± 4.7 73.7 70.3 77.0 - 2
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 1,123 78.9 ± 8.3 79.5 37.6 100.0 - 1,123
Male 608 80.7 ± 7.7 81.4 37.6 100.0 - 608
Female 515 76.8 ± 8.5 77.5 43.7 98.3 - 515
Sex of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 758 73.4 ± 10.1 74.0 38.8 99.8 - 758
Male 406 76.7 ± 8.5 76.4 52.1 99.8 - 406
Female 352 69.6 ± 10.5 70.2 38.8 98.0 - 352
Sex of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 566 75.5 ± 9.6 76.0 36.3 99.8 - 566
Male 304 78.1 ± 8.5 78.8 48.8 99.8 - 304
Female 262 72.5 ± 9.9 72.2 36.3 98.3 - 262
Sex of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 4
N Mean StdDev Median Min Max Unknown Total
Total 121 75.7 ± 10.0 76.4 42.1 97.4 - 121
Male 67 79.7 ± 8.9 80.2 53.3 97.4 - 67
Female 54 70.8 ± 9.2 72.2 42.1 87.6 - 54
Sex of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 2 73.7 ± 4.7 73.7 70.3 77.0 - 2
Male - - - - - - - -
Female 2 73.7 ± 4.7 73.7 70.3 77.0 - 2
Race of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 1,123 78.9 ± 8.3 79.5 37.6 100.0 - 1,123
Asian 12 78.9 ± 7.8 79.7 66.4 91.4 - 12
Black 23 81.1 ± 6.2 80.9 60.4 90.6 - 23
Hispanic 13 81.4 ± 5.2 82.0 72.4 89.3 - 13
Native American 10 76.5 ± 8.1 78.2 60.0 89.1 - 10
White 1,065 78.9 ± 8.4 79.5 37.6 100.0 - 1,065
Race of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 758 73.4 ± 10.1 74.0 38.8 99.8 - 758
Asian 4 76.4 ± 4.4 74.8 73.0 82.9 - 4
Black 8 76.9 ± 7.5 75.9 70.3 92.8 - 8
Hispanic 6 74.2 ± 14.5 75.5 56.1 89.9 - 6
Native American 6 74.3 ± 14.4 77.6 46.1 86.9 - 6
White 734 73.3 ± 10.1 74.0 38.8 99.8 - 734
Race of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 566 75.5 ± 9.6 76.0 36.3 99.8 - 566
Asian 4 79.2 ± 3.6 78.8 75.2 84.0 - 4
Black 4 86.8 ± 6.7 85.1 81.0 96.1 - 4
Hispanic 5 76.8 ± 15.8 74.9 54.6 98.3 - 5
Native American 4 69.5 ± 11.0 66.2 60.3 85.2 - 4
White 549 75.4 ± 9.5 75.9 36.3 99.8 - 549
Race of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 4
N Mean StdDev Median Min Max Unknown Total
Total 121 75.7 ± 10.0 76.4 42.1 97.4 - 121
Asian 3 80.1 ± 6.3 80.7 73.5 86.0 - 3
Black 1 82.3 - 82.3 82.3 82.3 - 1
Hispanic 2 75.8 ± 8.1 75.8 70.0 81.5 - 2
Native American 2 75.6 ± 2.8 75.6 73.6 77.6 - 2
White 113 75.5 ± 10.3 76.2 42.1 97.4 - 113
Race of the participant vs Percentage of stage 1 and 2 sleep among total sleep duration from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 2 73.7 ± 4.7 73.7 70.3 77.0 - 2
Asian - - - - - - - -
Black - - - - - - - -
Hispanic - - - - - - - -
Native American - - - - - - - -
White 2 73.7 ± 4.7 73.7 70.3 77.0 - 2