Histogram

Visit vs How long did it take you to fall asleep at bedtime last night?
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 32.7 ± 46.0 15.0 0.0 480.0 - 2,911
Visit 2 1,026 30.6 ± 39.9 15.0 0.0 330.0 1,885 2,911
Age at Sleep Visit 1 vs How long did it take you to fall asleep at bedtime last night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 32.7 ± 46.0 15.0 0.0 480.0 - 2,911
67.0 to 72.0 years 728 30.5 ± 40.8 15.0 0.0 330.0 - 728
72.0 to 76.0 years 728 33.2 ± 45.9 15.0 0.0 420.0 - 728
76.0 to 80.0 years 728 31.9 ± 46.1 15.0 0.0 480.0 - 728
80.0 to 90.0 years 727 35.4 ± 50.6 20.0 0.0 420.0 - 727
Gender vs How long did it take you to fall asleep at bedtime last night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 32.7 ± 46.0 15.0 0.0 480.0 - 2,911
Female - - - - - - - -
Male 2,911 32.7 ± 46.0 15.0 0.0 480.0 - 2,911
Gender vs How long did it take you to fall asleep at bedtime last night?
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 30.6 ± 39.9 15.0 0.0 330.0 1,885 2,911
Female - - - - - - - -
Male 1,026 30.6 ± 39.9 15.0 0.0 330.0 1,885 2,911
Race Category vs How long did it take you to fall asleep at bedtime last night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 32.7 ± 46.0 15.0 0.0 480.0 - 2,911
White 2,651 32.5 ± 45.2 15.0 0.0 480.0 - 2,651
African American 99 37.4 ± 57.5 20.0 0.0 360.0 - 99
Asian 85 30.5 ± 49.2 15.0 0.0 360.0 - 85
Native Hawaiian or Other Pacific Islander 3 15.3 ± 8.5 15.0 7.0 24.0 - 3
American Indian or Alaskan Native 1 90.0 - 90.0 90.0 90.0 - 1
Multiracial 30 26.3 ± 24.5 22.5 3.0 130.0 - 30
Unknown 42 43.7 ± 68.2 15.0 1.0 300.0 - 42
Race Category vs How long did it take you to fall asleep at bedtime last night?
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 30.6 ± 39.9 15.0 0.0 330.0 1,885 2,911
White 896 30.9 ± 40.8 15.0 0.0 330.0 1,755 2,651
African American 41 35.7 ± 41.9 30.0 0.0 150.0 58 99
Asian 49 25.8 ± 27.3 15.0 2.0 120.0 36 85
Native Hawaiian or Other Pacific Islander 3 21.7 ± 7.6 20.0 15.0 30.0 - 3
American Indian or Alaskan Native 1 15.0 - 15.0 15.0 15.0 - 1
Multiracial 14 34.6 ± 45.4 17.5 5.0 180.0 16 30
Unknown 22 18.3 ± 14.9 12.5 1.0 60.0 20 42