Gender

Visit vs On most nights, how many hours do you sleep each night?
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 6.9 ± 1.2 7.0 1.0 12.0 - 2,911
Visit 2 - - - - - - - -
Age at Sleep Visit 1 vs On most nights, how many hours do you sleep each night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 6.9 ± 1.2 7.0 1.0 12.0 - 2,911
67.0 to 72.0 years 728 6.8 ± 1.1 7.0 3.0 11.0 - 728
72.0 to 76.0 years 728 6.8 ± 1.2 7.0 2.0 11.0 - 728
76.0 to 80.0 years 728 6.9 ± 1.3 7.0 1.0 10.0 - 728
80.0 to 90.0 years 727 7.1 ± 1.2 7.0 3.0 12.0 - 727
Gender vs On most nights, how many hours do you sleep each night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 6.9 ± 1.2 7.0 1.0 12.0 - 2,911
Female - - - - - - - -
Male 2,911 6.9 ± 1.2 7.0 1.0 12.0 - 2,911
Race Category vs On most nights, how many hours do you sleep each night?
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 6.9 ± 1.2 7.0 1.0 12.0 - 2,911
White 2,651 6.9 ± 1.2 7.0 1.0 11.0 - 2,651
African American 99 6.1 ± 1.5 6.0 1.0 12.0 - 99
Asian 85 6.6 ± 1.1 7.0 3.0 9.0 - 85
Native Hawaiian or Other Pacific Islander 3 6.0 ± 1.0 6.0 5.0 7.0 - 3
American Indian or Alaskan Native 1 8.0 - 8.0 8.0 8.0 - 1
Multiracial 30 6.7 ± 1.4 7.0 4.0 9.0 - 30
Unknown 42 6.8 ± 1.6 7.0 2.0 10.0 - 42