Age

MESA exam number vs Arousal Index (NREM, Supine): Number of arousals per hour of NREM sleep in supine position from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,057 30.1 ± 23.6 24.2 0.0 180.0 180 2,237
Participant Age at MESA Sleep Visit vs Arousal Index (NREM, Supine): Number of arousals per hour of NREM sleep in supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 30.1 ± 23.6 24.2 0.0 180.0 180 2,237
54.0 to 62.0 years 525 28.1 ± 21.8 22.0 0.0 120.0 35 560
62.0 to 69.0 years 532 29.9 ± 23.1 24.0 0.0 120.0 27 559
69.0 to 77.0 years 510 31.8 ± 25.4 24.9 0.0 180.0 49 559
77.0 to 95.0 years 490 30.4 ± 23.9 25.8 0.0 120.0 69 559
Gender of the participant vs Arousal Index (NREM, Supine): Number of arousals per hour of NREM sleep in supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 30.1 ± 23.6 24.2 0.0 180.0 180 2,237
Female 1,103 25.0 ± 21.3 20.1 0.0 120.0 95 1,198
Male 954 35.9 ± 24.8 31.1 0.0 180.0 85 1,039
Race/ethnicity of the participant vs Arousal Index (NREM, Supine): Number of arousals per hour of NREM sleep in supine position from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,057 30.1 ± 23.6 24.2 0.0 180.0 180 2,237
White, Caucasian 743 31.4 ± 24.8 26.5 0.0 180.0 87 830
Chinese American 250 29.9 ± 20.5 24.8 0.0 120.0 15 265
Black, African-American 573 26.7 ± 21.6 21.1 0.0 120.0 43 616
Hispanic 491 32.0 ± 24.9 25.6 0.0 120.0 35 526