Histogram

MESA exam number vs Airflow Signal Duration (Hours) from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 6.4 ± 2.0 7.0 0.0 12.0 180 2,237
Participant Age at MESA Sleep Visit vs Airflow Signal Duration (Hours) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 6.4 ± 2.0 7.0 0.0 12.0 180 2,237
54.0 to 62.0 years 525 6.3 ± 1.9 7.0 0.0 12.0 35 560
62.0 to 69.0 years 532 6.5 ± 1.9 7.0 0.0 12.0 27 559
69.0 to 77.0 years 510 6.3 ± 2.1 7.0 0.0 12.0 49 559
77.0 to 95.0 years 490 6.4 ± 2.1 7.0 0.0 11.0 69 559
Gender of the participant vs Airflow Signal Duration (Hours) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 6.4 ± 2.0 7.0 0.0 12.0 180 2,237
Female 1,103 6.6 ± 2.0 7.0 0.0 12.0 95 1,198
Male 954 6.2 ± 2.0 6.0 0.0 12.0 85 1,039
Race/ethnicity of the participant vs Airflow Signal Duration (Hours) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 6.4 ± 2.0 7.0 0.0 12.0 180 2,237
White, Caucasian 743 6.5 ± 2.0 7.0 0.0 11.0 87 830
Chinese American 250 6.0 ± 2.0 6.0 0.0 10.0 15 265
Black, African-American 573 6.5 ± 2.1 7.0 0.0 12.0 43 616
Hispanic 491 6.2 ± 1.9 6.0 0.0 12.0 35 526