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NSRR
MINSTG2P - SHHS Variables
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Sleep Heart Health Study
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Variables
v0.15.0
shhs
variables
Measurements
Polysomnography
Sleep Architecture
minstg2p
minstg2p
Overview
Graphs
Histogram
Gender
Race
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History
minstg1p
mnstg34p
Name
minstg2p
Label
Time in stage 2 sleep
Units
minutes
Type
numeric
Tags
non-rapid eye movement
non-rem
nrem
Sleep Heart Health Study (SHHS) Visit Number vs Time in stage 2 sleep
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
-
-
-
-
-
-
-
-
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
2,651
216.4
± 57.0
216.0
0.0
484.0
1,429
4,080
CVD Outcomes
-
-
-
-
-
-
-
-
Gender vs Time in stage 2 sleep
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
216.4
± 57.0
216.0
0.0
484.0
1,429
4,080
Male
1,226
224.5
± 55.3
223.0
0.0
484.0
635
1,861
Female
1,425
209.5
± 57.6
210.0
28.0
470.0
794
2,219
Race vs Time in stage 2 sleep
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
216.4
± 57.0
216.0
0.0
484.0
1,429
4,080
White
2,311
215.2
± 56.3
215.0
0.0
467.0
1,276
3,587
Black
181
226.5
± 65.7
222.0
76.0
484.0
75
256
Other
159
222.1
± 56.4
221.0
95.0
470.0
78
237