Name

pohs2t1p

Label

Number of stage 2 to 1 shifts per hour sleep

Units
events per hour
Type
numeric
Visit vs Number of stage 2 to 1 shifts per hour sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 0.0003 ± 0.02 0.0 0.0 1.0 - 2,911
Visit 2 1,026 0.09 ± 0.6 0.0 0.0 10.0 1,885 2,911
Age at Sleep Visit 1 vs Number of stage 2 to 1 shifts per hour sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 0.0003 ± 0.02 0.0 0.0 1.0 - 2,911
67.0 to 72.0 years 728 0.0 ± 0.0 0.0 0.0 0.0 - 728
72.0 to 76.0 years 728 0.0 ± 0.0 0.0 0.0 0.0 - 728
76.0 to 80.0 years 728 0.001 ± 0.04 0.0 0.0 1.0 - 728
80.0 to 90.0 years 727 0.0 ± 0.0 0.0 0.0 0.0 - 727
Gender vs Number of stage 2 to 1 shifts per hour sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 0.0003 ± 0.02 0.0 0.0 1.0 - 2,911
Female - - - - - - - -
Male 2,911 0.0003 ± 0.02 0.0 0.0 1.0 - 2,911
Gender vs Number of stage 2 to 1 shifts per hour sleep
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 0.09 ± 0.6 0.0 0.0 10.0 1,885 2,911
Female - - - - - - - -
Male 1,026 0.09 ± 0.6 0.0 0.0 10.0 1,885 2,911
Race Category vs Number of stage 2 to 1 shifts per hour sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 0.0003 ± 0.02 0.0 0.0 1.0 - 2,911
White 2,651 0.0004 ± 0.02 0.0 0.0 1.0 - 2,651
African American 99 0.0 ± 0.0 0.0 0.0 0.0 - 99
Asian 85 0.0 ± 0.0 0.0 0.0 0.0 - 85
Native Hawaiian or Other Pacific Islander 3 0.0 ± 0.0 0.0 0.0 0.0 - 3
American Indian or Alaskan Native 1 0.0 - 0.0 0.0 0.0 - 1
Multiracial 30 0.0 ± 0.0 0.0 0.0 0.0 - 30
Unknown 42 0.0 ± 0.0 0.0 0.0 0.0 - 42
Race Category vs Number of stage 2 to 1 shifts per hour sleep
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 0.09 ± 0.6 0.0 0.0 10.0 1,885 2,911
White 896 0.08 ± 0.5 0.0 0.0 10.0 1,755 2,651
African American 41 0.3 ± 1.0 0.0 0.0 6.0 58 99
Asian 49 0.1 ± 0.7 0.0 0.0 5.0 36 85
Native Hawaiian or Other Pacific Islander 3 0.0 ± 0.0 0.0 0.0 0.0 - 3
American Indian or Alaskan Native 1 0.0 - 0.0 0.0 0.0 - 1
Multiracial 14 0.07 ± 0.3 0.0 0.0 1.0 16 30
Unknown 22 0.2 ± 0.9 0.0 0.0 4.0 20 42