Name
sd24hrsleepwo5
Label
Standard deviation of daily total sleep duration in main sleep and naps combined in workdays 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 workdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 760 110.2 ± 73.5 92.3 0.0 379.0 1,477 2,237
Participant Age at MESA Sleep Visit vs Standard deviation of daily total sleep duration in main sleep and naps combined in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 760 110.2 ± 73.5 92.3 0.0 379.0 1,477 2,237
54.0 to 62.0 years 365 105.6 ± 73.4 88.0 0.4 379.0 195 560
62.0 to 69.0 years 216 106.2 ± 70.5 88.7 6.0 336.2 343 559
69.0 to 77.0 years 125 114.7 ± 71.9 110.5 0.0 305.5 434 559
77.0 to 95.0 years 54 147.4 ± 80.7 157.6 0.7 290.5 505 559
Gender of the participant vs Standard deviation of daily total sleep duration in main sleep and naps combined in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 760 110.2 ± 73.5 92.3 0.0 379.0 1,477 2,237
Female 372 109.5 ± 78.2 87.7 0.7 379.0 826 1,198
Male 388 111.0 ± 68.9 96.6 0.0 336.2 651 1,039
Race/ethnicity of the participant vs Standard deviation of daily total sleep duration in main sleep and naps combined in workdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 760 110.2 ± 73.5 92.3 0.0 379.0 1,477 2,237
White, Caucasian 301 105.9 ± 73.8 81.8 5.7 343.5 529 830
Chinese American 96 117.9 ± 71.8 110.6 0.7 317.8 169 265
Black, African-American 191 112.2 ± 67.1 109.3 0.4 305.5 425 616
Hispanic 172 111.4 ± 80.6 89.4 0.0 379.0 354 526