Name
quchin
Label
PSG Quality Assessment (SHHS2): Signal Quality (chin)
Description

Overall quality of signal from chin (EMG) lead during sleep as assessed by scorer.

Domain
sigqus2
  • 1: Signal good for <25% of sleep time
  • 2: Signal good for 25-49% of sleep time
  • 3: Signal good for 50-74% of sleep time
  • 4: Signal good for 75-94% of sleep time
  • 5: Signal good for >95% of sleep time
Type
choices
Tags
PSG Quality Assessment (SHHS2): Signal Quality (chin) vs SHHS Visit Number
Visit 1 Visit 2 CVD Outcomes
Total 5,804 4,080 5,042
Signal good for <25% of sleep time - 150 -
Signal good for 25-49% of sleep time - 76 -
Signal good for 50-74% of sleep time - 95 -
Signal good for 75-94% of sleep time - 203 -
Signal good for >95% of sleep time - 2,127 -
Unknown 5,804 1,429 5,042
PSG Quality Assessment (SHHS2): Signal Quality (chin) vs Age at SHHS1
Visit 1
39.0 to 55.0 years 55.0 to 63.0 years 63.0 to 72.0 years 72.0 to 100.0 years Total
Total 1,451 1,451 1,451 1,451 5,804
Signal good for <25% of sleep time - - - - -
Signal good for 25-49% of sleep time - - - - -
Signal good for 50-74% of sleep time - - - - -
Signal good for 75-94% of sleep time - - - - -
Signal good for >95% of sleep time - - - - -
Unknown 1,451 1,451 1,451 1,451 5,804
PSG Quality Assessment (SHHS2): Signal Quality (chin) vs Gender
Visit 1
Female Male Total
Total 3,039 2,765 5,804
Signal good for <25% of sleep time - - -
Signal good for 25-49% of sleep time - - -
Signal good for 50-74% of sleep time - - -
Signal good for 75-94% of sleep time - - -
Signal good for >95% of sleep time - - -
Unknown 3,039 2,765 5,804
PSG Quality Assessment (SHHS2): Signal Quality (chin) vs Gender
Visit 2
Female Male Total
Total 2,219 1,861 4,080
Signal good for <25% of sleep time 48 102 150
Signal good for 25-49% of sleep time 31 45 76
Signal good for 50-74% of sleep time 46 49 95
Signal good for 75-94% of sleep time 97 106 203
Signal good for >95% of sleep time 1,203 924 2,127
Unknown 794 635 1,429
PSG Quality Assessment (SHHS2): Signal Quality (chin) vs Race
Visit 1
white black native amer/alaskan asian/pacific islander hispanic/mex. amer other Total
Total 4,907 515 11 88 280 3 5,804
Signal good for <25% of sleep time - - - - - - -
Signal good for 25-49% of sleep time - - - - - - -
Signal good for 50-74% of sleep time - - - - - - -
Signal good for 75-94% of sleep time - - - - - - -
Signal good for >95% of sleep time - - - - - - -
Unknown 4,907 515 11 88 280 3 5,804
PSG Quality Assessment (SHHS2): Signal Quality (chin) vs Race
Visit 2
white black native amer/alaskan asian/pacific islander hispanic/mex. amer other Total
Total 3,587 256 8 48 180 1 4,080
Signal good for <25% of sleep time 132 11 1 2 4 - 150
Signal good for 25-49% of sleep time 68 6 - - 2 - 76
Signal good for 50-74% of sleep time 84 5 1 - 5 - 95
Signal good for 75-94% of sleep time 176 15 - 2 10 - 203
Signal good for >95% of sleep time 1,851 144 1 30 100 1 2,127
Unknown 1,276 75 5 14 59 - 1,429