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NSRR
TIMES34P - 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
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v0.2.1
cfs
variables
Polysomnography
Sleep Architecture
times34p
times34p
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
supinep
timest1p
Name
times34p
Label
Percent Time in Stage 3/4
Description
Percent of sleep time in stage 3-4
Calculation
times34p
=
tmstg34p
Units
percent
Type
numeric
Tags
times34p
Visit vs Percent Time in Stage 3/4
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
711
20.6
± 13.4
19.3
0.0
79.4
24
735
Age at time of visit vs Percent Time in Stage 3/4
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
638
20.7
± 13.6
19.2
0.0
79.4
20
658
5-14 yrs old
63
44.0
± 13.3
43.2
19.3
79.4
1
64
15-24 yrs old
110
26.1
± 9.7
24.1
4.8
57.3
2
112
25-34 yrs old
61
19.5
± 8.7
20.2
0.0
41.0
1
62
35-44 years
93
15.7
± 8.7
15.5
0.0
38.7
5
98
45-54 years
141
17.3
± 9.5
16.7
0.0
48.5
7
148
55-64 years
83
14.8
± 11.6
13.1
0.0
53.0
1
84
65-74 years
54
13.5
± 11.1
11.9
0.0
39.6
3
57
75-84 years
31
15.6
± 13.8
11.7
0.0
47.6
-
31
85 years or older
2
1.3
± 1.8
1.3
0.0
2.6
-
2
Sex vs Percent Time in Stage 3/4
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
711
20.6
± 13.4
19.3
0.0
79.4
24
735
Female
398
22.5
± 12.2
21.0
0.0
79.4
8
406
Male
313
18.2
± 14.5
15.7
0.0
70.9
16
329
Race vs Percent Time in Stage 3/4
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
711
20.6
± 13.4
19.3
0.0
79.4
24
735
White
296
21.8
± 13.0
22.1
0.0
79.4
8
304
Black
393
19.5
± 13.8
17.5
0.0
75.5
16
409
Other
22
24.2
± 11.2
23.7
5.9
52.5
-
22