Race/Ethnicity

MESA exam number vs Average daily number of naps in weekends from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,129 1.0 ± 1.1 0.5 0.0 9.0 108 2,237
Participant Age at MESA Sleep Visit vs Average daily number of naps in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,129 1.0 ± 1.1 0.5 0.0 9.0 108 2,237
54.0 to 62.0 years 539 0.8 ± 0.9 0.5 0.0 6.0 21 560
62.0 to 69.0 years 532 0.9 ± 1.0 0.5 0.0 8.5 27 559
69.0 to 77.0 years 529 1.0 ± 1.2 0.5 0.0 6.5 30 559
77.0 to 95.0 years 529 1.4 ± 1.3 1.0 0.0 9.0 30 559
Gender of the participant vs Average daily number of naps in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,129 1.0 ± 1.1 0.5 0.0 9.0 108 2,237
Female 1,141 1.0 ± 1.1 0.5 0.0 8.5 57 1,198
Male 988 1.1 ± 1.2 0.6 0.0 9.0 51 1,039
Race/ethnicity of the participant vs Average daily number of naps in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,129 1.0 ± 1.1 0.5 0.0 9.0 108 2,237
White, Caucasian 804 0.9 ± 1.1 0.5 0.0 7.5 26 830
Chinese American 241 1.1 ± 1.1 1.0 0.0 5.5 24 265
Black, African-American 587 1.2 ± 1.3 1.0 0.0 9.0 29 616
Hispanic 497 0.9 ± 1.1 0.5 0.0 6.5 29 526