Histogram

PSG Quality Assessment: Signal Quality (chin) vs Visit
Visit 5
Total 735
Signal good for <25% of sleep time 9
Signal good for 25-49% of sleep time 5
Signal good for 50-74% of sleep time 12
Signal good for 75-94% of sleep time 24
Signal good for >95% of sleep time 682
Unknown 3
PSG Quality Assessment: Signal Quality (chin) vs Participant's age (category)
Visit 5
5-14 yrs old 15-24 yrs old 25-34 yrs old 35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 64 112 62 98 148 84 57 31 2 658
Signal good for <25% of sleep time 1 1 1 4 - - 2 - - 9
Signal good for 25-49% of sleep time - - - 1 2 1 - - - 4
Signal good for 50-74% of sleep time - 1 1 2 2 2 2 1 - 11
Signal good for 75-94% of sleep time 3 4 - 3 6 3 1 1 1 22
Signal good for >95% of sleep time 60 106 60 87 136 78 52 29 1 609
Unknown - - - 1 2 - - - - 3
PSG Quality Assessment: Signal Quality (chin) vs Participant's sex
Visit 5
Female Male Total
Total 406 329 735
Signal good for <25% of sleep time 4 5 9
Signal good for 25-49% of sleep time 2 3 5
Signal good for 50-74% of sleep time 3 9 12
Signal good for 75-94% of sleep time 9 15 24
Signal good for >95% of sleep time 385 297 682
Unknown 3 - 3
PSG Quality Assessment: Signal Quality (chin) vs Participant's race
Visit 5
White Black More than one race Total
Total 304 409 22 735
Signal good for <25% of sleep time 4 4 1 9
Signal good for 25-49% of sleep time 1 4 - 5
Signal good for 50-74% of sleep time 7 5 - 12
Signal good for 75-94% of sleep time 9 15 - 24
Signal good for >95% of sleep time 281 380 21 682
Unknown 2 1 - 3