Age

Acceptable left leg signal quality vs Visit
Visit 1 Visit 2
Total 2,911 2,911
< 25% of sleep time 3 2
25 - 49% of sleep 10 -
50 - 74% of sleep 49 -
75 - 94% of sleep 311 3
> 95% of sleep time 2,538 1,021
Unknown - 1,885
Acceptable left leg signal quality vs Age at Sleep Visit 1
Visit 1
67.0 to 72.0 years 72.0 to 76.0 years 76.0 to 80.0 years 80.0 to 90.0 years Total
Total 728 728 728 727 2,911
< 25% of sleep time - - - 3 3
25 - 49% of sleep 2 1 5 2 10
50 - 74% of sleep 4 14 14 17 49
75 - 94% of sleep 65 66 89 91 311
> 95% of sleep time 657 647 620 614 2,538
Acceptable left leg signal quality vs Gender
Visit 1
Female Male Total
Total - 2,911 2,911
< 25% of sleep time - 3 3
25 - 49% of sleep - 10 10
50 - 74% of sleep - 49 49
75 - 94% of sleep - 311 311
> 95% of sleep time - 2,538 2,538
Acceptable left leg signal quality vs Gender
Visit 2
Female Male Total
Total - 2,911 2,911
< 25% of sleep time - 2 2
25 - 49% of sleep - - -
50 - 74% of sleep - - -
75 - 94% of sleep - 3 3
> 95% of sleep time - 1,021 1,021
Unknown - 1,885 1,885
Acceptable left leg signal quality vs Race Category
Visit 1
White African American Asian Native Hawaiian or Other Pacific Islander American Indian or Alaskan Native Multiracial Unknown Total
Total 2,651 99 85 3 1 30 42 2,911
< 25% of sleep time 3 - - - - - - 3
25 - 49% of sleep 9 - 1 - - - - 10
50 - 74% of sleep 46 1 - - - 1 1 49
75 - 94% of sleep 285 16 4 1 - 2 3 311
> 95% of sleep time 2,308 82 80 2 1 27 38 2,538
Acceptable left leg signal quality vs Race Category
Visit 2
White African American Asian Native Hawaiian or Other Pacific Islander American Indian or Alaskan Native Multiracial Unknown Total
Total 2,651 99 85 3 1 30 42 2,911
< 25% of sleep time 1 - - - - - 1 2
25 - 49% of sleep - - - - - - - -
50 - 74% of sleep - - - - - - - -
75 - 94% of sleep 3 - - - - - - 3
> 95% of sleep time 892 41 49 3 1 14 21 1,021
Unknown 1,755 58 36 - - 16 20 1,885