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NSRR
FREQNAPS - SHHS Variables
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Variables
Old Version
You are viewing variable information that is kept around for historical purposes only. The latest version
v0.20.0
is
available here
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v0.8.2
shhs
variables
Interim
freqnaps
freqnaps
Overview
Graphs
Histogram
Gender
Race
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History
freqdrive
freqothersnearby
Name
freqnaps
Label
Usual number of naps per week
Units
naps
Type
numeric
SHHS Visit Number vs Usual number of naps per week
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
-
-
-
-
-
-
-
-
Interim Follow-up Visit
4,966
2.9
± 3.9
2.0
0.0
50.0
838
5,804
Visit 2
-
-
-
-
-
-
-
-
CVD Outcomes
-
-
-
-
-
-
-
-
Gender vs Usual number of naps per week
Interim Follow-up Visit
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
4,966
2.9
± 3.9
2.0
0.0
50.0
838
5,804
Male
2,362
3.5
± 4.4
2.0
0.0
50.0
403
2,765
Female
2,604
2.4
± 3.3
1.0
0.0
50.0
435
3,039
Race vs Usual number of naps per week
Interim Follow-up Visit
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
4,966
2.9
± 3.9
2.0
0.0
50.0
838
5,804
White
4,349
2.9
± 3.7
2.0
0.0
50.0
558
4,907
Black
382
3.6
± 5.7
2.0
0.0
50.0
133
515
Other
235
2.1
± 4.2
1.0
0.0
50.0
147
382