Gender

MESA exam number vs Total number of days with naps in the entire actigraphy recording period in weekdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,150 2.1 ± 1.4 2.0 0.0 6.0 87 2,237
Participant Age at MESA Sleep Visit vs Total number of days with naps in the entire actigraphy recording period in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 2.1 ± 1.4 2.0 0.0 6.0 87 2,237
54.0 to 62.0 years 544 1.8 ± 1.4 2.0 0.0 5.0 16 560
62.0 to 69.0 years 537 1.9 ± 1.4 2.0 0.0 5.0 22 559
69.0 to 77.0 years 531 2.2 ± 1.4 2.0 0.0 6.0 28 559
77.0 to 95.0 years 538 2.6 ± 1.4 3.0 0.0 5.0 21 559
Gender of the participant vs Total number of days with naps in the entire actigraphy recording period in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 2.1 ± 1.4 2.0 0.0 6.0 87 2,237
Female 1,155 2.0 ± 1.4 2.0 0.0 6.0 43 1,198
Male 995 2.2 ± 1.4 2.0 0.0 6.0 44 1,039
Race/ethnicity of the participant vs Total number of days with naps in the entire actigraphy recording period in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 2.1 ± 1.4 2.0 0.0 6.0 87 2,237
White, Caucasian 806 1.9 ± 1.4 2.0 0.0 6.0 24 830
Chinese American 244 2.3 ± 1.4 2.0 0.0 5.0 21 265
Black, African-American 597 2.3 ± 1.4 2.0 0.0 5.0 19 616
Hispanic 503 2.1 ± 1.4 2.0 0.0 6.0 23 526