Histogram

Visit vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 355.5 ± 69.4 360.0 54.0 615.0 - 2,911
Visit 2 1,026 342.3 ± 78.1 347.0 39.0 626.0 1,885 2,911
Age at Sleep Visit 1 vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 355.5 ± 69.4 360.0 54.0 615.0 - 2,911
67.0 to 72.0 years 728 360.3 ± 68.1 363.0 77.0 615.0 - 728
72.0 to 76.0 years 728 357.8 ± 66.7 359.0 54.0 584.0 - 728
76.0 to 80.0 years 728 352.0 ± 70.6 360.0 62.0 511.0 - 728
80.0 to 90.0 years 727 352.0 ± 71.9 358.0 95.0 574.0 - 727
Gender vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 355.5 ± 69.4 360.0 54.0 615.0 - 2,911
Female - - - - - - - -
Male 2,911 355.5 ± 69.4 360.0 54.0 615.0 - 2,911
Gender vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 342.3 ± 78.1 347.0 39.0 626.0 1,885 2,911
Female - - - - - - - -
Male 1,026 342.3 ± 78.1 347.0 39.0 626.0 1,885 2,911
Race Category vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 355.5 ± 69.4 360.0 54.0 615.0 - 2,911
White 2,651 355.4 ± 69.3 359.0 54.0 584.0 - 2,651
African American 99 355.7 ± 85.7 364.0 102.0 615.0 - 99
Asian 85 353.9 ± 56.9 361.0 176.0 475.0 - 85
Native Hawaiian or Other Pacific Islander 3 293.0 ± 28.2 304.0 261.0 314.0 - 3
American Indian or Alaskan Native 1 327.0 - 327.0 327.0 327.0 - 1
Multiracial 30 375.1 ± 59.5 383.5 253.0 476.0 - 30
Unknown 42 355.4 ± 65.7 362.0 171.0 467.0 - 42
Race Category vs Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 342.3 ± 78.1 347.0 39.0 626.0 1,885 2,911
White 896 341.2 ± 78.6 346.0 39.0 626.0 1,755 2,651
African American 41 334.1 ± 94.3 334.0 119.0 586.0 58 99
Asian 49 356.4 ± 61.2 358.0 222.0 485.0 36 85
Native Hawaiian or Other Pacific Islander 3 245.7 ± 47.0 247.0 198.0 292.0 - 3
American Indian or Alaskan Native 1 404.0 - 404.0 404.0 404.0 - 1
Multiracial 14 358.9 ± 56.5 386.0 229.0 411.0 16 30
Unknown 22 372.0 ± 55.9 373.5 262.0 466.0 20 42