Name
abdoqual
Label
Quality of the abdominal signal
Description

Sleep Hearth Health Study Visit 1 (SHHS1)-Vary from 1 (poorest) to 4 (best) and reflect the proportion of time the signals were useable. Useable respiratory data is defined as the number of hours that abnormal breaths can be distinguished from normal breaths

Domain
sigqual
  • 1: Less than 2 hours of artifact-free signal
  • 2: At least 2 hours but less than 4 hours of artifact-free signal
  • 3: At least 4 hours but less than 6 hours of artifact-free signal
  • 4: At least 6 hours of artifact-free signal
Type
choices
Quality of the abdominal signal vs Sleep Heart Health Study (SHHS) Visit Number
Visit 1 Interim Follow-up Visit Visit 2 CVD Outcomes
Total 5,804 - - -
Less than 2 hours of artifact-free signal 409 - - -
At least 2 hours but less than 4 hours of artifact-free signal 444 - - -
At least 4 hours but less than 6 hours of artifact-free signal 1,400 - - -
At least 6 hours of artifact-free signal 3,548 - - -
Unknown 3 - - -
Quality of the abdominal signal vs Age at Sleep Heart Health Study Visit One (SHHS1)
Visit 1
35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 342 1,017 1,769 1,617 955 104 5,804
Less than 2 hours of artifact-free signal 15 58 135 129 64 8 409
At least 2 hours but less than 4 hours of artifact-free signal 19 52 141 127 92 13 444
At least 4 hours but less than 6 hours of artifact-free signal 83 231 429 392 238 27 1,400
At least 6 hours of artifact-free signal 224 676 1,064 967 561 56 3,548
Unknown 1 - - 2 - - 3
Quality of the abdominal signal vs Gender of the participant
Visit 1
Male Female Total
Total 2,765 3,039 5,804
Less than 2 hours of artifact-free signal 187 222 409
At least 2 hours but less than 4 hours of artifact-free signal 193 251 444
At least 4 hours but less than 6 hours of artifact-free signal 662 738 1,400
At least 6 hours of artifact-free signal 1,723 1,825 3,548
Unknown - 3 3
Quality of the abdominal signal vs Race of the participant
Visit 1
White Black Other Total
Total 4,907 515 382 5,804
Less than 2 hours of artifact-free signal 368 29 12 409
At least 2 hours but less than 4 hours of artifact-free signal 364 55 25 444
At least 4 hours but less than 6 hours of artifact-free signal 1,173 139 88 1,400
At least 6 hours of artifact-free signal 2,999 292 257 3,548
Unknown 3 - - 3