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NSRR
TIMEST34 - CCSHS Variables
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Cleveland Children's Sleep and 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
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v0.3.0
ccshs
variables
Measurements
Polysomnography (PSG)
timest34
timest34
Overview
Graphs
Histogram
Age
Gender
Race
More
History
timest2p
waistge75
Name
timest34
Label
Time in Stage 3/4 sleep
Description
Total time scored as stage 3/4 sleep rounded to nearest minute
Units
minutes (min)
Type
numeric
Tags
deep
delta
slow wave
sws
Visit vs Time in Stage 3/4 sleep
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Peds
-
-
-
-
-
-
-
-
Teenz
-
-
-
-
-
-
-
-
TREC
513
107.5
± 37.8
103.0
13.0
266.0
4
517
Age at time of visit vs Time in Stage 3/4 sleep
TREC
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
513
107.5
± 37.8
103.0
13.0
266.0
4
517
16.14 to 17.41 years
129
118.7
± 40.4
113.0
41.0
266.0
1
130
17.41 to 17.69 years
128
107.3
± 36.6
105.5
13.0
257.0
1
129
17.69 to 17.91 years
128
102.6
± 35.0
100.5
20.0
209.0
1
129
17.91 to 19.56 years
128
101.4
± 37.0
97.0
31.0
245.0
1
129
Male gender vs Time in Stage 3/4 sleep
TREC
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
513
107.5
± 37.8
103.0
13.0
266.0
4
517
No
254
113.8
± 38.4
108.5
31.0
266.0
2
256
Yes
259
101.4
± 36.3
97.0
13.0
237.0
2
261
Race vs Time in Stage 3/4 sleep
TREC
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
513
107.5
± 37.8
103.0
13.0
266.0
4
517
White
307
111.7
± 37.8
109.0
13.0
245.0
2
309
Black
183
100.6
± 37.3
98.0
31.0
266.0
2
185
Other
23
106.2
± 35.5
106.0
51.0
186.0
-
23