Age

Visit vs During the past month, how long has it usually taken you to fall asleep each night?
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 18.6 ± 20.0 15.0 0.0 300.0 - 2,911
Visit 2 1,026 17.7 ± 16.2 15.0 0.0 180.0 1,885 2,911
Age at Sleep Visit 1 vs During the past month, how long has it usually taken you to fall asleep each night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 18.6 ± 20.0 15.0 0.0 300.0 - 2,911
67.0 to 72.0 years 728 17.2 ± 16.3 12.0 0.0 130.0 - 728
72.0 to 76.0 years 728 18.2 ± 20.5 15.0 0.0 300.0 - 728
76.0 to 80.0 years 728 18.5 ± 17.2 15.0 0.0 230.0 - 728
80.0 to 90.0 years 727 20.7 ± 24.7 15.0 0.0 240.0 - 727
Gender vs During the past month, how long has it usually taken you to fall asleep each night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 18.6 ± 20.0 15.0 0.0 300.0 - 2,911
Female - - - - - - - -
Male 2,911 18.6 ± 20.0 15.0 0.0 300.0 - 2,911
Gender vs During the past month, how long has it usually taken you to fall asleep each night?
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.7 ± 16.2 15.0 0.0 180.0 1,885 2,911
Female - - - - - - - -
Male 1,026 17.7 ± 16.2 15.0 0.0 180.0 1,885 2,911
Race Category vs During the past month, how long has it usually taken you to fall asleep each night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 18.6 ± 20.0 15.0 0.0 300.0 - 2,911
White 2,651 18.3 ± 19.4 15.0 0.0 240.0 - 2,651
African American 99 25.0 ± 33.1 20.0 0.0 300.0 - 99
Asian 85 21.0 ± 18.6 15.0 1.0 120.0 - 85
Native Hawaiian or Other Pacific Islander 3 22.3 ± 13.3 30.0 7.0 30.0 - 3
American Indian or Alaskan Native 1 30.0 - 30.0 30.0 30.0 - 1
Multiracial 30 20.6 ± 15.1 17.5 1.0 60.0 - 30
Unknown 42 16.0 ± 14.4 10.0 1.0 60.0 - 42
Race Category vs During the past month, how long has it usually taken you to fall asleep each night?
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 17.7 ± 16.2 15.0 0.0 180.0 1,885 2,911
White 896 17.5 ± 16.0 15.0 0.0 180.0 1,755 2,651
African American 41 18.7 ± 10.9 15.0 0.0 45.0 58 99
Asian 49 18.2 ± 17.8 15.0 1.0 120.0 36 85
Native Hawaiian or Other Pacific Islander 3 15.0 ± 13.2 10.0 5.0 30.0 - 3
American Indian or Alaskan Native 1 10.0 - 10.0 10.0 10.0 - 1
Multiracial 14 21.4 ± 29.1 15.0 5.0 120.0 16 30
Unknown 22 20.6 ± 17.2 15.0 0.0 60.0 20 42