Histogram

MESA exam number vs Total number of days with naps in the entire actigraphy recording period in non-workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,071 2.5 ± 1.9 2.0 0.0 7.0 166 2,237
Participant Age at MESA Sleep Visit vs Total number of days with naps in the entire actigraphy recording period in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,071 2.5 ± 1.9 2.0 0.0 7.0 166 2,237
54.0 to 62.0 years 515 1.7 ± 1.6 1.0 0.0 6.0 45 560
62.0 to 69.0 years 519 2.2 ± 1.8 2.0 0.0 6.0 40 559
69.0 to 77.0 years 514 2.7 ± 1.8 3.0 0.0 6.0 45 559
77.0 to 95.0 years 523 3.4 ± 1.9 4.0 0.0 7.0 36 559
Gender of the participant vs Total number of days with naps in the entire actigraphy recording period in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,071 2.5 ± 1.9 2.0 0.0 7.0 166 2,237
Female 1,120 2.5 ± 1.9 2.0 0.0 6.0 78 1,198
Male 951 2.5 ± 1.9 2.0 0.0 7.0 88 1,039
Race/ethnicity of the participant vs Total number of days with naps in the entire actigraphy recording period in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,071 2.5 ± 1.9 2.0 0.0 7.0 166 2,237
White, Caucasian 774 2.3 ± 1.9 2.0 0.0 7.0 56 830
Chinese American 235 2.6 ± 2.0 2.0 0.0 6.0 30 265
Black, African-American 579 2.7 ± 1.8 3.0 0.0 6.0 37 616
Hispanic 483 2.4 ± 1.9 2.0 0.0 6.0 43 526