Race/Ethnicity

MESA exam number vs Typical number of naps in a usual week from survey questionnaires
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,175 0.6 ± 0.5 1.0 0.0 1.0 62 2,237
Participant Age at MESA Sleep Visit vs Typical number of naps in a usual week from survey questionnaires
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,175 0.6 ± 0.5 1.0 0.0 1.0 62 2,237
54.0 to 62.0 years 543 0.5 ± 0.5 1.0 0.0 1.0 17 560
62.0 to 69.0 years 552 0.6 ± 0.5 1.0 0.0 1.0 7 559
69.0 to 77.0 years 540 0.7 ± 0.5 1.0 0.0 1.0 19 559
77.0 to 95.0 years 540 0.7 ± 0.5 1.0 0.0 1.0 19 559
Gender of the participant vs Typical number of naps in a usual week from survey questionnaires
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,175 0.6 ± 0.5 1.0 0.0 1.0 62 2,237
Female 1,160 0.6 ± 0.5 1.0 0.0 1.0 38 1,198
Male 1,015 0.6 ± 0.5 1.0 0.0 1.0 24 1,039
Race/ethnicity of the participant vs Typical number of naps in a usual week from survey questionnaires
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,175 0.6 ± 0.5 1.0 0.0 1.0 62 2,237
White, Caucasian 810 0.6 ± 0.5 1.0 0.0 1.0 20 830
Chinese American 251 0.5 ± 0.5 1.0 0.0 1.0 14 265
Black, African-American 605 0.7 ± 0.5 1.0 0.0 1.0 11 616
Hispanic 509 0.5 ± 0.5 1.0 0.0 1.0 17 526