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NSRR
HRSWKDAY - SHHS Variables
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Sleep Heart Health Study
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Variables
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You are viewing variable information that is kept around for historical purposes only. The latest version
v0.20.0
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v0.10.0
shhs
variables
Interim
hrswkday
hrswkday
Overview
Graphs
Histogram
Gender
Race
More
History
hrsdrive
hrswkend
Name
hrswkday
Label
Weekday or workday: usual hours of sleep
Units
hours
Type
numeric
SHHS Visit Number vs Weekday or workday: usual hours of sleep
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
-
-
-
-
-
-
-
-
Interim Follow-up Visit
4,988
7.1
± 1.2
7.0
0.0
20.0
816
5,804
Visit 2
-
-
-
-
-
-
-
-
CVD Outcomes
-
-
-
-
-
-
-
-
Gender vs Weekday or workday: usual hours of sleep
Interim Follow-up Visit
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
4,988
7.1
± 1.2
7.0
0.0
20.0
816
5,804
Male
2,374
7.1
± 1.2
7.0
0.0
20.0
391
2,765
Female
2,614
7.1
± 1.2
7.0
2.0
12.0
425
3,039
Race vs Weekday or workday: usual hours of sleep
Interim Follow-up Visit
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
4,988
7.1
± 1.2
7.0
0.0
20.0
816
5,804
White
4,370
7.1
± 1.2
7.0
2.0
20.0
537
4,907
Black
383
6.7
± 1.5
6.0
0.0
15.0
132
515
Other
235
6.9
± 1.2
7.0
2.0
10.0
147
382