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TIMEST2P - CFS Variables
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Cleveland Family 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
v0.7.0
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v0.2.1
cfs
variables
Polysomnography
Sleep Architecture
timest2p
timest2p
Overview
Graphs
Histogram
Age
Gender
Race
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Related
History
timest1p
waso
Name
timest2p
Label
Percent Time in Stage 2
Description
Percent of sleep time in stage 2
Calculation
timest2p
=
tmstg2p
Units
percent
Type
numeric
Tags
timest2p
Visit vs Percent Time in Stage 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
707
56.1
± 12.9
56.1
9.4
90.0
28
735
Age at time of visit vs Percent Time in Stage 2
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
634
56.1
± 12.9
56.6
9.4
90.0
24
658
5-14 yrs old
63
38.4
± 12.0
38.7
9.4
60.8
1
64
15-24 yrs old
110
52.8
± 9.3
52.4
28.9
77.0
2
112
25-34 yrs old
61
56.0
± 10.8
55.5
25.7
83.5
1
62
35-44 years
93
59.5
± 10.6
59.4
34.8
82.8
5
98
45-54 years
141
58.4
± 10.5
58.6
35.5
83.7
7
148
55-64 years
83
60.2
± 13.6
60.2
21.2
87.2
1
84
65-74 years
52
61.4
± 12.5
61.6
31.0
90.0
5
57
75-84 years
29
63.0
± 11.2
64.8
37.6
84.1
2
31
85 years or older
2
81.2
± 0.1
81.2
81.1
81.3
-
2
Sex vs Percent Time in Stage 2
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
707
56.1
± 12.9
56.1
9.4
90.0
28
735
Female
394
54.6
± 12.2
54.3
9.4
90.0
12
406
Male
313
57.9
± 13.5
58.0
13.6
87.2
16
329
Race vs Percent Time in Stage 2
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
707
56.1
± 12.9
56.1
9.4
90.0
28
735
White
294
55.1
± 12.6
54.8
9.4
84.9
10
304
Black
391
57.0
± 13.2
57.2
13.6
90.0
18
409
Other
22
53.3
± 10.1
53.6
33.1
72.4
-
22