Name
quair
Label
Quality of the airflow signal
Domain
sigqual2
  • 1: Less than 25% of time with artifact-free signal
  • 2: 25-49% of time with artifact-free signal
  • 3: 50-74% of time with artifact-free signal
  • 4: 75-94% of time with artifact-free signal
  • 5: Entire sleep time (at least 95%) artifact-free
Type
choices
Quality of the airflow signal vs SHHS Visit Number
Visit 1 Interim Follow-up Visit Visit 2 CVD Outcomes
Total - - 4,080 -
Less than 25% of time with artifact-free signal - - 67 -
25-49% of time with artifact-free signal - - 94 -
50-74% of time with artifact-free signal - - 233 -
75-94% of time with artifact-free signal - - 689 -
Entire sleep time (at least 95%) artifact-free - - 1,568 -
Unknown - - 1,429 -
Quality of the airflow signal vs Age at SHHS1
Visit 2
35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 184 707 1,321 1,200 624 44 4,080
Less than 25% of time with artifact-free signal 3 15 25 16 6 2 67
25-49% of time with artifact-free signal 3 19 29 27 16 - 94
50-74% of time with artifact-free signal 8 46 57 84 34 4 233
75-94% of time with artifact-free signal 48 137 202 200 96 6 689
Entire sleep time (at least 95%) artifact-free 74 281 539 457 208 9 1,568
Unknown 48 209 469 416 264 23 1,429
Quality of the airflow signal vs Gender
Visit 2
Male Female Total
Total 1,861 2,219 4,080
Less than 25% of time with artifact-free signal 32 35 67
25-49% of time with artifact-free signal 41 53 94
50-74% of time with artifact-free signal 102 131 233
75-94% of time with artifact-free signal 308 381 689
Entire sleep time (at least 95%) artifact-free 743 825 1,568
Unknown 635 794 1,429
Quality of the airflow signal vs Race
Visit 2
White Black Other Total
Total 3,587 256 237 4,080
Less than 25% of time with artifact-free signal 59 4 4 67
25-49% of time with artifact-free signal 85 6 3 94
50-74% of time with artifact-free signal 200 19 14 233
75-94% of time with artifact-free signal 609 37 43 689
Entire sleep time (at least 95%) artifact-free 1,358 115 95 1,568
Unknown 1,276 75 78 1,429