Race/Ethnicity

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