pcttststagen1 remahi
Name
pcttststagen2
Label
Percentage of stage 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
Tags
n2 pctdursp_s2_f1t1
Study visit number vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 1,123 68.9 ± 8.5 69.4 9.1 93.3 - 1,123
Visit 2 758 63.1 ± 9.3 63.7 31.6 90.8 - 758
Visit 3 566 64.0 ± 8.8 64.4 32.4 90.7 - 566
Visit 4 121 63.8 ± 8.8 64.8 32.4 86.3 - 121
Visit 5 2 67.6 ± 1.9 67.6 66.2 68.9 - 2
Incident Outcomes Tracking - - - - - - - -
Sex of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 1,123 68.9 ± 8.5 69.4 9.1 93.3 - 1,123
Male 608 69.5 ± 8.7 70.0 9.1 93.3 - 608
Female 515 68.1 ± 8.1 68.1 38.4 92.8 - 515
Sex of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 758 63.1 ± 9.3 63.7 31.6 90.8 - 758
Male 406 65.2 ± 8.6 65.7 31.6 90.8 - 406
Female 352 60.6 ± 9.6 61.3 32.9 87.9 - 352
Sex of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 566 64.0 ± 8.8 64.4 32.4 90.7 - 566
Male 304 65.0 ± 8.4 66.0 41.6 90.7 - 304
Female 262 62.8 ± 9.1 63.0 32.4 85.9 - 262
Sex of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 4
N Mean StdDev Median Min Max Unknown Total
Total 121 63.8 ± 8.8 64.8 32.4 86.3 - 121
Male 67 65.7 ± 8.0 66.2 49.2 86.3 - 67
Female 54 61.4 ± 9.3 62.9 32.4 79.3 - 54
Sex of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 2 67.6 ± 1.9 67.6 66.2 68.9 - 2
Male - - - - - - - -
Female 2 67.6 ± 1.9 67.6 66.2 68.9 - 2
Race of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 1,123 68.9 ± 8.5 69.4 9.1 93.3 - 1,123
Asian 12 67.9 ± 8.0 66.9 56.3 80.0 - 12
Black 23 72.9 ± 6.2 73.9 51.4 80.6 - 23
Hispanic 13 72.1 ± 4.3 71.0 66.0 79.7 - 13
Native American 10 67.0 ± 7.3 68.9 54.9 76.3 - 10
White 1,065 68.8 ± 8.5 69.3 9.1 93.3 - 1,065
Race of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 758 63.1 ± 9.3 63.7 31.6 90.8 - 758
Asian 4 65.4 ± 4.5 65.0 60.7 70.9 - 4
Black 8 66.2 ± 7.4 64.4 54.9 76.4 - 8
Hispanic 6 57.2 ± 14.1 53.4 39.2 74.5 - 6
Native American 6 62.5 ± 11.7 65.2 41.4 76.3 - 6
White 734 63.1 ± 9.3 63.6 31.6 90.8 - 734
Race of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 566 64.0 ± 8.8 64.4 32.4 90.7 - 566
Asian 4 66.6 ± 2.6 66.5 64.3 69.3 - 4
Black 4 75.4 ± 3.3 75.1 71.7 79.7 - 4
Hispanic 5 61.5 ± 12.6 61.7 44.4 78.1 - 5
Native American 4 57.1 ± 2.0 57.4 54.5 59.1 - 4
White 549 64.0 ± 8.8 64.3 32.4 90.7 - 549
Race of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 4
N Mean StdDev Median Min Max Unknown Total
Total 121 63.8 ± 8.8 64.8 32.4 86.3 - 121
Asian 3 69.1 ± 5.5 70.0 63.2 74.0 - 3
Black 1 64.9 - 64.9 64.9 64.9 - 1
Hispanic 2 64.7 ± 1.4 64.7 63.7 65.7 - 2
Native American 2 64.6 ± 11.5 64.6 56.5 72.7 - 2
White 113 63.6 ± 9.0 64.5 32.4 86.3 - 113
Race of the participant vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 2 67.6 ± 1.9 67.6 66.2 68.9 - 2
Asian - - - - - - - -
Black - - - - - - - -
Hispanic - - - - - - - -
Native American - - - - - - - -
White 2 67.6 ± 1.9 67.6 66.2 68.9 - 2