Age

Visit vs REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 106.8 ± 77.3 81.0 0.0 590.0 - 2,911
Visit 2 1,026 92.4 ± 70.1 72.5 0.0 456.0 1,885 2,911
Age at Sleep Visit 1 vs REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 106.8 ± 77.3 81.0 0.0 590.0 - 2,911
67.0 to 72.0 years 728 99.4 ± 68.8 79.0 0.0 578.0 - 728
72.0 to 76.0 years 728 103.1 ± 74.2 80.0 0.0 590.0 - 728
76.0 to 80.0 years 728 110.1 ± 79.4 84.0 0.0 554.0 - 728
80.0 to 90.0 years 727 114.4 ± 85.2 85.0 0.0 483.0 - 727
Gender vs REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 106.8 ± 77.3 81.0 0.0 590.0 - 2,911
Female - - - - - - - -
Male 2,911 106.8 ± 77.3 81.0 0.0 590.0 - 2,911
Gender vs REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 92.4 ± 70.1 72.5 0.0 456.0 1,885 2,911
Female - - - - - - - -
Male 1,026 92.4 ± 70.1 72.5 0.0 456.0 1,885 2,911
Race Category vs REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 106.8 ± 77.3 81.0 0.0 590.0 - 2,911
White 2,651 107.1 ± 77.2 82.0 0.0 590.0 - 2,651
African American 99 113.2 ± 105.7 76.0 0.0 578.0 - 99
Asian 85 96.2 ± 52.8 74.0 26.0 266.0 - 85
Native Hawaiian or Other Pacific Islander 3 98.0 ± 73.1 78.0 37.0 179.0 - 3
American Indian or Alaskan Native 1 77.0 - 77.0 77.0 77.0 - 1
Multiracial 30 99.9 ± 57.9 86.0 20.0 284.0 - 30
Unknown 42 97.2 ± 60.5 83.0 9.0 321.0 - 42
Race Category vs REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 92.4 ± 70.1 72.5 0.0 456.0 1,885 2,911
White 896 91.7 ± 68.7 73.0 0.0 456.0 1,755 2,651
African American 41 102.4 ± 94.9 70.0 0.0 419.0 58 99
Asian 49 91.6 ± 68.3 66.0 0.0 331.0 36 85
Native Hawaiian or Other Pacific Islander 3 114.7 ± 123.2 99.0 0.0 245.0 - 3
American Indian or Alaskan Native 1 63.0 - 63.0 63.0 63.0 - 1
Multiracial 14 110.8 ± 71.3 85.0 28.0 272.0 16 30
Unknown 22 92.6 ± 75.9 69.0 30.0 389.0 20 42