Age

MESA exam number vs Average daily number of naps (>= 15 minutes) in weekdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,150 0.9 ± 0.9 0.6 0.0 6.0 87 2,237
Participant Age at MESA Sleep Visit vs Average daily number of naps (>= 15 minutes) in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 0.9 ± 0.9 0.6 0.0 6.0 87 2,237
54.0 to 62.0 years 544 0.6 ± 0.8 0.5 0.0 4.8 16 560
62.0 to 69.0 years 537 0.7 ± 0.7 0.5 0.0 4.3 22 559
69.0 to 77.0 years 531 0.9 ± 0.8 0.8 0.0 5.2 28 559
77.0 to 95.0 years 538 1.2 ± 1.0 1.0 0.0 6.0 21 559
Gender of the participant vs Average daily number of naps (>= 15 minutes) in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 0.9 ± 0.9 0.6 0.0 6.0 87 2,237
Female 1,155 0.8 ± 0.8 0.5 0.0 5.6 43 1,198
Male 995 0.9 ± 0.9 0.8 0.0 6.0 44 1,039
Race/ethnicity of the participant vs Average daily number of naps (>= 15 minutes) in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 0.9 ± 0.9 0.6 0.0 6.0 87 2,237
White, Caucasian 806 0.7 ± 0.8 0.5 0.0 4.0 24 830
Chinese American 244 0.9 ± 0.9 0.8 0.0 4.0 21 265
Black, African-American 597 1.0 ± 1.0 0.8 0.0 6.0 19 616
Hispanic 503 0.8 ± 0.9 0.5 0.0 4.4 23 526