Age

Acceptable oximetry signal quality vs Visit
Visit 1 Visit 2
Total 2,911 2,911
< 25% of sleep time 1 -
25 - 49% of sleep - 2
50 - 74% of sleep 22 8
75 - 94% of sleep 181 23
> 95% of sleep time 2,707 993
Unknown - 1,885
Acceptable oximetry 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 1 - - - 1
25 - 49% of sleep - - - - -
50 - 74% of sleep 5 5 4 8 22
75 - 94% of sleep 50 42 38 51 181
> 95% of sleep time 672 681 686 668 2,707
Acceptable oximetry signal quality vs Gender
Visit 1
Female Male Total
Total - 2,911 2,911
< 25% of sleep time - 1 1
25 - 49% of sleep - - -
50 - 74% of sleep - 22 22
75 - 94% of sleep - 181 181
> 95% of sleep time - 2,707 2,707
Acceptable oximetry signal quality vs Gender
Visit 2
Female Male Total
Total - 2,911 2,911
< 25% of sleep time - - -
25 - 49% of sleep - 2 2
50 - 74% of sleep - 8 8
75 - 94% of sleep - 23 23
> 95% of sleep time - 993 993
Unknown - 1,885 1,885
Acceptable oximetry 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 1 - - - - - - 1
25 - 49% of sleep - - - - - - - -
50 - 74% of sleep 22 - - - - - - 22
75 - 94% of sleep 161 13 3 - - 2 2 181
> 95% of sleep time 2,467 86 82 3 1 28 40 2,707
Acceptable oximetry 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 - - - - - - - -
25 - 49% of sleep 2 - - - - - - 2
50 - 74% of sleep 8 - - - - - - 8
75 - 94% of sleep 21 1 1 - - - - 23
> 95% of sleep time 865 40 48 3 1 14 22 993
Unknown 1,755 58 36 - - 16 20 1,885