Name
chinqual
Label
Quality of the chin signal
Description

Sleep Heart Health Study Visit 1 (SHHS1)-Vary from 1 (poorest) to 4 (best) and reflect the proportion of time the signals were useable. Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake.

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
Tags
emg
Quality of the chin 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 496 - - -
At least 2 hours but less than 4 hours of artifact-free signal 347 - - -
At least 4 hours but less than 6 hours of artifact-free signal 1,153 - - -
At least 6 hours of artifact-free signal 3,808 - - -
Quality of the chin 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 26 79 147 127 101 16 496
At least 2 hours but less than 4 hours of artifact-free signal 19 79 108 79 56 6 347
At least 4 hours but less than 6 hours of artifact-free signal 63 187 363 340 184 16 1,153
At least 6 hours of artifact-free signal 234 672 1,151 1,071 614 66 3,808
Quality of the chin 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 258 238 496
At least 2 hours but less than 4 hours of artifact-free signal 188 159 347
At least 4 hours but less than 6 hours of artifact-free signal 585 568 1,153
At least 6 hours of artifact-free signal 1,734 2,074 3,808
Quality of the chin 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 418 57 21 496
At least 2 hours but less than 4 hours of artifact-free signal 287 32 28 347
At least 4 hours but less than 6 hours of artifact-free signal 988 110 55 1,153
At least 6 hours of artifact-free signal 3,214 316 278 3,808