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TIMEST1P - CFS Variables
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Cleveland Family Study
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Variables
Old Version
You are viewing variable information that is kept around for historical purposes only. The latest version
v0.7.0
is
available here
.
v0.1.1
cfs
variables
Polysomnography
Sleep Architecture
timest1p
timest1p
Overview
Graphs
Histogram
Age
Gender
Race
More
Known Issues
Related
History
times34p
timest2p
KNOWN ISSUES
Please be sure to check the
known issues
before using this variable in analysis.
Name
timest1p
Label
Percent Time in Stage 1
Description
Percent of sleep time in stage 1
Calculation
timest1p
=
tmstg1p
Units
percent
Type
numeric
Tags
timest1p
Visit vs Percent Time in Stage 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
701
5.0
± 3.9
4.1
0.5
47.4
34
735
Age at time of visit vs Percent Time in Stage 1
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
629
5.1
± 4.0
4.1
0.5
47.4
29
658
5-14 yrs old
59
3.2
± 2.1
2.7
0.6
11.5
5
64
15-24 yrs old
111
4.2
± 2.7
3.7
0.7
20.3
1
112
25-34 yrs old
60
4.0
± 2.1
3.5
0.8
9.6
2
62
35-44 years
94
4.7
± 3.4
3.9
0.5
18.9
4
98
45-54 years
143
5.0
± 3.0
4.3
0.7
16.3
5
148
55-64 years
80
6.0
± 4.2
5.1
1.2
21.3
4
84
65-74 years
52
6.8
± 6.6
5.5
0.6
47.4
5
57
75-84 years
28
10.1
± 6.8
8.8
2.2
28.9
3
31
85 years or older
2
12.7
± 3.7
12.7
10.0
15.3
-
2
Sex vs Percent Time in Stage 1
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
701
5.0
± 3.9
4.1
0.5
47.4
34
735
Female
388
4.3
± 2.6
3.8
0.5
20.3
18
406
Male
313
6.0
± 4.8
4.7
0.6
47.4
16
329
Race vs Percent Time in Stage 1
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
701
5.0
± 3.9
4.1
0.5
47.4
34
735
White
292
5.3
± 3.6
4.5
0.6
21.3
12
304
Black
387
4.9
± 4.2
3.9
0.5
47.4
22
409
Other
22
3.8
± 1.8
3.6
1.1
7.1
-
22