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NSRR
TIMEST1 - 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
v0.8.0
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v0.4.0
ccshs
variables
Measurements
Polysomnography (PSG)
timest1
timest1
Overview
Graphs
Histogram
Age
Gender
Race
More
History
times34p
timest1p
Name
timest1
Label
Time in Stage 1 sleep
Description
Total time scored as stage 1 sleep rounded to nearest minute
Units
minutes (min)
Type
numeric
Tags
non rapid
non-rapid eye movement sleep
non rem
non-rem
nrem
Visit vs Time in Stage 1 sleep
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Peds
-
-
-
-
-
-
-
-
Teenz
-
-
-
-
-
-
-
-
TREC
513
18.9
± 10.7
17.0
2.0
80.0
4
517
Age at time of visit vs Time in Stage 1 sleep
TREC
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
513
18.9
± 10.7
17.0
2.0
80.0
4
517
16.14 to 17.41 years
129
18.1
± 9.4
17.0
3.0
50.0
1
130
17.41 to 17.69 years
128
19.3
± 11.6
18.0
2.0
80.0
1
129
17.69 to 17.91 years
128
19.5
± 9.4
18.0
4.0
53.0
1
129
17.91 to 19.56 years
128
18.8
± 12.1
15.5
2.0
77.0
1
129
Male gender vs Time in Stage 1 sleep
TREC
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
513
18.9
± 10.7
17.0
2.0
80.0
4
517
No
254
17.7
± 10.1
16.0
2.0
80.0
2
256
Yes
259
20.1
± 11.1
18.0
2.0
77.0
2
261
Race vs Time in Stage 1 sleep
TREC
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
513
18.9
± 10.7
17.0
2.0
80.0
4
517
White
307
18.5
± 10.0
17.0
2.0
80.0
2
309
Black
183
19.8
± 11.9
17.0
4.0
77.0
2
185
Other
23
18.1
± 8.8
16.0
5.0
37.0
-
23