Age

MESA exam number vs REM Latency II: the interval between sleep onset and first REM while asleep (excluding wake) from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,035 78.5 ± 51.7 66.0 0.0 389.0 202 2,237
Participant Age at MESA Sleep Visit vs REM Latency II: the interval between sleep onset and first REM while asleep (excluding wake) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,035 78.5 ± 51.7 66.0 0.0 389.0 202 2,237
54.0 to 62.0 years 518 78.7 ± 52.6 66.0 0.0 389.0 42 560
62.0 to 69.0 years 526 79.3 ± 48.8 68.0 0.0 388.0 33 559
69.0 to 77.0 years 507 80.6 ± 55.3 66.0 0.0 350.0 52 559
77.0 to 95.0 years 484 75.2 ± 49.8 63.0 0.0 350.0 75 559
Gender of the participant vs REM Latency II: the interval between sleep onset and first REM while asleep (excluding wake) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,035 78.5 ± 51.7 66.0 0.0 389.0 202 2,237
Female 1,094 84.6 ± 53.9 71.5 0.0 389.0 104 1,198
Male 941 71.4 ± 48.0 61.0 0.0 360.0 98 1,039
Race/ethnicity of the participant vs REM Latency II: the interval between sleep onset and first REM while asleep (excluding wake) from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,035 78.5 ± 51.7 66.0 0.0 389.0 202 2,237
White, Caucasian 741 88.9 ± 59.4 72.0 0.0 389.0 89 830
Chinese American 247 74.5 ± 44.0 66.0 0.0 350.0 18 265
Black, African-American 564 72.8 ± 47.8 62.0 0.0 347.0 52 616
Hispanic 483 71.2 ± 43.8 63.0 0.0 302.0 43 526