sdmainteffnw5 sdmainteffwe5
Name
sdmainteffwd5
Label
Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
Description

Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.

Units
percent (%)
Type
numeric
Tags
stdmefsp_im_w5_f2
MESA exam number vs Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,150 2.7 ± 1.8 2.3 0.2 29.7 87 2,237
Participant Age at MESA Sleep Visit vs Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 2.7 ± 1.8 2.3 0.2 29.7 87 2,237
54.0 to 62.0 years 544 2.7 ± 2.1 2.3 0.2 29.7 16 560
62.0 to 69.0 years 537 2.7 ± 1.8 2.2 0.4 12.0 22 559
69.0 to 77.0 years 531 2.7 ± 1.8 2.2 0.3 10.9 28 559
77.0 to 95.0 years 538 2.7 ± 1.7 2.3 0.3 14.3 21 559
Gender of the participant vs Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 2.7 ± 1.8 2.3 0.2 29.7 87 2,237
Female 1,155 2.5 ± 1.6 2.2 0.3 14.3 43 1,198
Male 995 2.9 ± 2.1 2.4 0.2 29.7 44 1,039
Race/ethnicity of the participant vs Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,150 2.7 ± 1.8 2.3 0.2 29.7 87 2,237
White, Caucasian 806 2.4 ± 1.5 2.0 0.2 10.6 24 830
Chinese American 244 2.9 ± 2.6 2.3 0.3 29.7 21 265
Black, African-American 597 3.0 ± 2.0 2.5 0.3 12.7 19 616
Hispanic 503 2.6 ± 1.6 2.3 0.3 10.8 23 526