Age

MESA exam number vs Total number of days with naps (>= 15 minutes) in the entire actigraphy recording period in workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 825 1.2 ± 1.3 1.0 0.0 6.0 1,412 2,237
Participant Age at MESA Sleep Visit vs Total number of days with naps (>= 15 minutes) in the entire actigraphy recording period in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 825 1.2 ± 1.3 1.0 0.0 6.0 1,412 2,237
54.0 to 62.0 years 380 1.1 ± 1.2 1.0 0.0 5.0 180 560
62.0 to 69.0 years 236 1.2 ± 1.3 1.0 0.0 6.0 323 559
69.0 to 77.0 years 142 1.4 ± 1.3 1.0 0.0 6.0 417 559
77.0 to 95.0 years 67 1.6 ± 1.5 1.0 0.0 6.0 492 559
Gender of the participant vs Total number of days with naps (>= 15 minutes) in the entire actigraphy recording period in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 825 1.2 ± 1.3 1.0 0.0 6.0 1,412 2,237
Female 406 1.1 ± 1.2 1.0 0.0 5.0 792 1,198
Male 419 1.4 ± 1.3 1.0 0.0 6.0 620 1,039
Race/ethnicity of the participant vs Total number of days with naps (>= 15 minutes) in the entire actigraphy recording period in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 825 1.2 ± 1.3 1.0 0.0 6.0 1,412 2,237
White, Caucasian 329 1.1 ± 1.2 1.0 0.0 6.0 501 830
Chinese American 104 1.3 ± 1.3 1.0 0.0 6.0 161 265
Black, African-American 213 1.4 ± 1.4 1.0 0.0 5.0 403 616
Hispanic 179 1.2 ± 1.2 1.0 0.0 6.0 347 526