Name
avgmainteff5
Label
Average daily sleep maintenance efficiency in all days 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
MESA exam number vs Average daily sleep maintenance efficiency in all days from actigraphy
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,151 91.3 ± 3.5 92.0 69.9 98.9 86 2,237
Participant Age at MESA Sleep Visit vs Average daily sleep maintenance efficiency in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 91.3 ± 3.5 92.0 69.9 98.9 86 2,237
54.0 to 62.0 years 544 91.2 ± 3.4 91.5 73.8 97.7 16 560
62.0 to 69.0 years 537 91.3 ± 3.5 92.1 69.9 98.1 22 559
69.0 to 77.0 years 532 91.2 ± 3.6 92.0 75.7 97.6 27 559
77.0 to 95.0 years 538 91.7 ± 3.5 92.2 70.9 98.9 21 559
Gender of the participant vs Average daily sleep maintenance efficiency in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 91.3 ± 3.5 92.0 69.9 98.9 86 2,237
Female 1,155 91.8 ± 3.1 92.4 70.9 98.9 43 1,198
Male 996 90.8 ± 3.8 91.4 69.9 97.3 43 1,039
Race/ethnicity of the participant vs Average daily sleep maintenance efficiency in all days from actigraphy
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,151 91.3 ± 3.5 92.0 69.9 98.9 86 2,237
White, Caucasian 806 92.0 ± 3.2 92.6 72.8 98.1 24 830
Chinese American 244 91.1 ± 3.6 91.7 75.7 97.1 21 265
Black, African-American 597 90.8 ± 3.8 91.5 69.9 97.9 19 616
Hispanic 504 91.1 ± 3.4 91.5 73.8 98.9 22 526