Name
sd24hrsleepwe5
Label
Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy
Description

This variable measures the within subject variability of daily total sleep duration in main sleep.

Units
minutes
Type
numeric
MESA exam number vs Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,079 77.1 ± 69.7 56.2 0.0 455.7 158 2,237
Participant Age at MESA Sleep Visit vs Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,079 77.1 ± 69.7 56.2 0.0 455.7 158 2,237
54.0 to 62.0 years 531 80.4 ± 70.8 62.2 0.0 455.7 29 560
62.0 to 69.0 years 519 75.8 ± 67.9 54.1 0.0 362.0 40 559
69.0 to 77.0 years 515 75.6 ± 67.6 55.9 0.0 366.3 44 559
77.0 to 95.0 years 514 76.6 ± 72.5 53.2 0.0 424.6 45 559
Gender of the participant vs Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,079 77.1 ± 69.7 56.2 0.0 455.7 158 2,237
Female 1,118 78.6 ± 72.5 56.7 0.0 455.7 80 1,198
Male 961 75.3 ± 66.4 55.9 0.0 424.6 78 1,039
Race/ethnicity of the participant vs Standard deviation of daily total sleep duration in main sleep and naps combined in weekends from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,079 77.1 ± 69.7 56.2 0.0 455.7 158 2,237
White, Caucasian 779 69.5 ± 66.6 48.4 0.4 388.9 51 830
Chinese American 234 71.6 ± 68.5 51.4 0.0 393.5 31 265
Black, African-American 579 90.2 ± 75.6 70.0 0.0 455.7 37 616
Hispanic 487 76.4 ± 65.8 57.3 0.4 365.9 39 526