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NSRR
SLP_RDI - CFS 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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v0.5.0
cfs
variables
Polysomnography
Sleep Architecture
slp_rdi
slp_rdi
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
slpprdp
slptawp
Name
slp_rdi
Label
Sleep time used in calculations
Description
Total time from lights out to lights on that is scored as sleep, rounded to nearest minute
Calculation
slp_rdi
=
slpprdp
Units
minutes
Type
numeric
Tags
slp_rdi
Visit vs Sleep time used in calculations
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
732
372.8
± 75.3
377.5
19.0
576.0
3
735
Age at time of visit vs Sleep time used in calculations
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
655
371.7
± 76.5
377.0
19.0
576.0
3
658
5-14 yrs old
64
407.7
± 65.6
414.5
237.0
560.0
-
64
15-24 yrs old
112
393.7
± 66.5
395.5
40.0
516.0
-
112
25-34 yrs old
62
400.9
± 69.9
392.0
227.0
560.0
-
62
35-44 years
97
393.0
± 68.2
397.0
214.0
576.0
1
98
45-54 years
146
360.8
± 68.3
368.0
136.0
564.0
2
148
55-64 years
84
349.6
± 74.6
354.0
131.0
530.0
-
84
65-74 years
57
317.3
± 77.2
324.0
144.0
477.0
-
57
75-84 years
31
309.5
± 91.3
317.0
19.0
442.0
-
31
85 years or older
2
279.5
± 13.4
279.5
270.0
289.0
-
2
Sex vs Sleep time used in calculations
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
732
372.8
± 75.3
377.5
19.0
576.0
3
735
Female
403
377.2
± 71.1
379.0
40.0
576.0
3
406
Male
329
367.4
± 79.9
375.0
19.0
564.0
-
329
Race vs Sleep time used in calculations
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
732
372.8
± 75.3
377.5
19.0
576.0
3
735
White
302
363.7
± 73.7
372.5
40.0
554.0
2
304
Black
408
378.4
± 76.8
382.5
19.0
576.0
1
409
Other
22
394.5
± 53.8
390.0
290.0
512.0
-
22