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NSRR
TIMEST2 - 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
timest2
timest2
Overview
Graphs
Histogram
Age
Gender
Race
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Related
History
timest1
timest34
Name
timest2
Label
Time in Stage 2
Description
Total time scored as stage 2 rounded to nearest minute
Calculation
timest2
=
minstg2p
Units
minutes
Type
numeric
Tags
timest2
Visit vs Time in Stage 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
707
208.0
± 58.9
210.0
14.0
400.0
28
735
Age at time of visit vs Time in Stage 2
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
634
207.7
± 60.1
210.0
14.0
400.0
24
658
5-14 yrs old
63
157.6
± 55.5
157.0
42.0
283.0
1
64
15-24 yrs old
110
208.4
± 51.1
209.0
14.0
311.0
2
112
25-34 yrs old
61
225.1
± 58.2
232.0
85.0
378.0
1
62
35-44 years
93
234.6
± 55.0
237.0
79.0
376.0
5
98
45-54 years
141
210.5
± 56.1
210.0
54.0
400.0
7
148
55-64 years
83
209.8
± 63.0
213.0
63.0
395.0
1
84
65-74 years
52
196.3
± 59.7
191.5
45.0
344.0
5
57
75-84 years
29
189.4
± 65.1
200.0
14.0
299.0
2
31
85 years or older
2
226.5
± 10.6
226.5
219.0
234.0
-
2
Sex vs Time in Stage 2
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
707
208.0
± 58.9
210.0
14.0
400.0
28
735
Female
394
205.9
± 55.3
209.0
14.0
378.0
12
406
Male
313
210.7
± 63.2
212.0
14.0
400.0
16
329
Race vs Time in Stage 2
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
707
208.0
± 58.9
210.0
14.0
400.0
28
735
White
294
199.2
± 55.8
199.0
14.0
376.0
10
304
Black
391
214.6
± 61.3
219.0
14.0
400.0
18
409
Other
22
209.1
± 42.6
210.0
136.0
309.0
-
22