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NSRR
LIGHOFF - SOF Variables
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Study of Osteoporotic Fractures
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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
v0.8.0
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v0.7.0
sof
variables
Polysomnography (PSG)
Administrative
lighoff
lighoff
Overview
Graphs
Histogram
Age
Gender
More
History
datalost
npflow
Name
lighoff
Label
Participant reported time to bed
Description
24-hour clock time written as integer (e.g. 0-2359).
Units
minutes
Type
integer
Visit number vs Participant reported time to bed
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
456
1,998.9
± 694.2
2,230.0
0.0
2,445.0
5
461
Age (categorical) vs Participant reported time to bed
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
450
2,004.6
± 686.1
2,230.0
0.0
2,445.0
5
455
75-84 years
323
1,989.7
± 709.2
2,230.0
0.0
2,445.0
2
325
85 years or older
127
2,042.4
± 624.8
2,230.0
0.0
2,400.0
3
130
Gender vs Participant reported time to bed
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
456
1,998.9
± 694.2
2,230.0
0.0
2,445.0
5
461
Female
456
1,998.9
± 694.2
2,230.0
0.0
2,445.0
5
461