Name
que15
Label
E1 Signal Quality from type II polysomnography
Domain
psgsignalquality
  • 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 >= 95% of sleep time
Type
choices
E1 Signal Quality from type II polysomnography vs MESA exam number
Exam 5
Total 2,237
Signal good for < 25% of sleep time 6
Signal good for 25-49% of sleep time 7
Signal good for 50-74% of sleep time 9
Signal good for 75-94% of sleep time 46
Signal good >= 95% of sleep time 1,989
Unknown 180
E1 Signal Quality from type II polysomnography vs Participant Age at MESA Sleep Visit
Exam 5
54.0 to 62.0 years 62.0 to 69.0 years 69.0 to 77.0 years 77.0 to 95.0 years Total
Total 560 559 559 559 2,237
Signal good for < 25% of sleep time 2 1 3 - 6
Signal good for 25-49% of sleep time 3 3 1 - 7
Signal good for 50-74% of sleep time 1 1 4 3 9
Signal good for 75-94% of sleep time 9 9 15 13 46
Signal good >= 95% of sleep time 510 518 487 474 1,989
Unknown 35 27 49 69 180
E1 Signal Quality from type II polysomnography vs Gender of the participant
Exam 5
Female Male Total
Total 1,198 1,039 2,237
Signal good for < 25% of sleep time 2 4 6
Signal good for 25-49% of sleep time 2 5 7
Signal good for 50-74% of sleep time 6 3 9
Signal good for 75-94% of sleep time 29 17 46
Signal good >= 95% of sleep time 1,064 925 1,989
Unknown 95 85 180
E1 Signal Quality from type II polysomnography vs Race/ethnicity of the participant
Exam 5
White, Caucasian Chinese American Black, African-American Hispanic Total
Total 830 265 616 526 2,237
Signal good for < 25% of sleep time - 1 2 3 6
Signal good for 25-49% of sleep time 2 - 2 3 7
Signal good for 50-74% of sleep time 1 4 2 2 9
Signal good for 75-94% of sleep time 17 1 18 10 46
Signal good >= 95% of sleep time 723 244 549 473 1,989
Unknown 87 15 43 35 180