Age

MESA exam number vs Average daily number of sleep bouts in main sleep in all days from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,151 31.2 ± 11.7 29.6 3.6 85.6 86 2,237
Participant Age at MESA Sleep Visit vs Average daily number of sleep bouts in main sleep in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 31.2 ± 11.7 29.6 3.6 85.6 86 2,237
54.0 to 62.0 years 544 32.1 ± 10.9 31.2 7.4 74.6 16 560
62.0 to 69.0 years 537 32.4 ± 11.7 31.1 3.6 79.7 22 559
69.0 to 77.0 years 532 31.8 ± 12.2 29.0 8.1 85.6 27 559
77.0 to 95.0 years 538 28.5 ± 11.5 26.1 3.6 70.7 21 559
Gender of the participant vs Average daily number of sleep bouts in main sleep in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 31.2 ± 11.7 29.6 3.6 85.6 86 2,237
Female 1,155 28.8 ± 9.9 27.6 3.6 74.6 43 1,198
Male 996 33.9 ± 13.0 32.4 3.6 85.6 43 1,039
Race/ethnicity of the participant vs Average daily number of sleep bouts in main sleep in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 31.2 ± 11.7 29.6 3.6 85.6 86 2,237
White, Caucasian 806 30.5 ± 11.2 28.9 6.5 85.6 24 830
Chinese American 244 33.3 ± 12.2 31.3 8.3 76.6 21 265
Black, African-American 597 30.6 ± 12.4 28.1 3.6 77.6 19 616
Hispanic 504 32.0 ± 11.2 31.2 3.6 79.7 22 526