que15 quecg5
Name
que25
Label
E2 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
E2 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 10
Signal good for 50-74% of sleep time 20
Signal good for 75-94% of sleep time 43
Signal good >= 95% of sleep time 1,978
Unknown 180
E2 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 3 - 3 - 6
Signal good for 25-49% of sleep time 2 3 2 3 10
Signal good for 50-74% of sleep time 1 3 9 7 20
Signal good for 75-94% of sleep time 12 5 9 17 43
Signal good >= 95% of sleep time 507 521 487 463 1,978
Unknown 35 27 49 69 180
E2 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 4 6 10
Signal good for 50-74% of sleep time 13 7 20
Signal good for 75-94% of sleep time 27 16 43
Signal good >= 95% of sleep time 1,057 921 1,978
Unknown 95 85 180
E2 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 1 1 3 6
Signal good for 25-49% of sleep time 4 - 4 2 10
Signal good for 50-74% of sleep time 7 3 5 5 20
Signal good for 75-94% of sleep time 15 - 15 13 43
Signal good >= 95% of sleep time 716 246 548 468 1,978
Unknown 87 15 43 35 180