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Race/Ethnicity

MESA exam number vs Average daily number of naps (>= 15 minutes) in workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 825 0.5 ± 0.6 0.3 0.0 4.7 1,412 2,237
Participant Age at MESA Sleep Visit vs Average daily number of naps (>= 15 minutes) in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 825 0.5 ± 0.6 0.3 0.0 4.7 1,412 2,237
54.0 to 62.0 years 380 0.4 ± 0.5 0.3 0.0 4.7 180 560
62.0 to 69.0 years 236 0.4 ± 0.5 0.3 0.0 2.2 323 559
69.0 to 77.0 years 142 0.6 ± 0.6 0.4 0.0 3.0 417 559
77.0 to 95.0 years 67 0.7 ± 0.7 0.5 0.0 2.7 492 559
Gender of the participant vs Average daily number of naps (>= 15 minutes) in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 825 0.5 ± 0.6 0.3 0.0 4.7 1,412 2,237
Female 406 0.4 ± 0.5 0.3 0.0 3.0 792 1,198
Male 419 0.5 ± 0.6 0.3 0.0 4.7 620 1,039
Race/ethnicity of the participant vs Average daily number of naps (>= 15 minutes) in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 825 0.5 ± 0.6 0.3 0.0 4.7 1,412 2,237
White, Caucasian 329 0.4 ± 0.6 0.3 0.0 4.7 501 830
Chinese American 104 0.5 ± 0.5 0.4 0.0 2.5 161 265
Black, African-American 213 0.5 ± 0.6 0.4 0.0 3.4 403 616
Hispanic 179 0.4 ± 0.5 0.3 0.0 3.6 347 526