Gender

MESA exam number vs Average daily total sleep duration in naps (with some sleep are counted) in non-workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,089 42.9 ± 47.9 27.9 0.0 395.3 148 2,237
Participant Age at MESA Sleep Visit vs Average daily total sleep duration in naps (with some sleep are counted) in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,089 42.9 ± 47.9 27.9 0.0 395.3 148 2,237
54.0 to 62.0 years 532 34.3 ± 44.7 19.9 0.0 395.3 28 560
62.0 to 69.0 years 527 37.2 ± 41.4 26.0 0.0 305.5 32 559
69.0 to 77.0 years 522 42.1 ± 43.1 28.7 0.0 257.3 37 559
77.0 to 95.0 years 508 58.5 ± 57.5 43.7 0.0 342.5 51 559
Gender of the participant vs Average daily total sleep duration in naps (with some sleep are counted) in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,089 42.9 ± 47.9 27.9 0.0 395.3 148 2,237
Female 1,120 40.5 ± 46.2 26.5 0.0 395.3 78 1,198
Male 969 45.6 ± 49.7 30.1 0.0 305.5 70 1,039
Race/ethnicity of the participant vs Average daily total sleep duration in naps (with some sleep are counted) in non-workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,089 42.9 ± 47.9 27.9 0.0 395.3 148 2,237
White, Caucasian 794 37.3 ± 44.9 24.6 0.0 395.3 36 830
Chinese American 238 47.4 ± 50.5 36.5 0.0 305.5 27 265
Black, African-American 573 49.4 ± 50.4 35.5 0.0 313.0 43 616
Hispanic 484 42.1 ± 47.4 27.5 0.0 302.8 42 526