|
subjectkey |
GUID |
|
Required |
The NDAR Global Unique Identifier (GUID) for research subject |
NDAR*
|
|
guid |
|
src_subject_id |
String |
20
|
Required |
Subject ID how it's defined in lab/project |
|
|
ssidno00 |
|
interview_date |
Date |
|
Required |
Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY |
|
|
recording_end_date |
|
interviewage |
Integer |
|
Required |
Age in months at the time of the interview/test/sampling/imaging. |
0 :: 1200
|
Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
|
interview_age, recording_end_age |
|
sex |
String |
20
|
Required |
Sex of subject at birth |
M;F; O; NR
|
M = Male; F = Female; O=Other; NR = Not reported
|
gender, ssgndr |
|
model |
String |
100
|
Recommended |
Model of the actigraph |
|
|
|
|
start_date |
Date |
|
Recommended |
Start date of the actigraphy recording |
|
|
in_bed_date |
|
act_start_time |
String |
20
|
Recommended |
Start time of the actigraphy recording |
|
|
in_bed_time, start_time |
|
end_date |
Date |
|
Recommended |
End date of the actigraphy recording |
|
|
out_bed_date |
|
end_time |
String |
20
|
Recommended |
End time of the actigraphy recording |
|
|
out_bed_time |
|
time_zone |
String |
20
|
Recommended |
Time zone (e.g. eastern time) |
|
|
|
|
data_file1 |
File |
255
|
Recommended |
Data file 1 |
|
|
date_file1 |
|
data_file1_type |
String |
300
|
Recommended |
type of data file 1 |
|
|
|
|
fit_ss_wake_count |
Integer |
|
Recommended |
Total number of unique awakenings during the sleep period (excludes final awakening) |
|
|
|
|
fit_ss_sleep_efficiency |
Integer |
|
Recommended |
Ratio of time spent asleep to total time in bed, with total time in bed including true sleep and waking episodes |
|
|
|
|
eventname |
String |
60
|
Recommended |
The event name for which the data was collected |
|
|
|
|
fit_ss_weekday |
Integer |
|
Recommended |
Day of the week |
1::7
|
1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday, 5=Thursday, 6=Friday, 7=Saturday
|
|
|
fit_ss_first_inbed_minutes |
String |
30
|
Recommended |
First Minute that the participant was identified as being in-bed (but not necessarily asleep) |
|
Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
|
|
|
fit_ss_first_sleep_minutes |
String |
30
|
Recommended |
First Minute that the participant was identified as being asleep |
|
Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
|
|
|
fit_ss_outbed_minutes |
String |
30
|
Recommended |
First Minute that the participant was identified as being out-bed (but may have woken up prior to this) |
|
Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
|
|
|
fit_ss_wakeup_minutes |
String |
30
|
Recommended |
First Minute that the participant was identified as being awake |
|
Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
|
|
|
fit_ss_total_sleep_minutes |
Integer |
|
Recommended |
Total time within the sleep window (including wake periods) as calculated by 30 second sleep record |
|
|
|
|
totalac |
Integer |
|
Recommended |
Total Activity Count: Number of activity counts on the day of the interval being analyzed |
|
|
|
|
avgacmin |
Float |
|
Recommended |
Average Activity Count |
|
Calculated by: Activity counts/min
|
|
|
maxac |
Integer |
|
Recommended |
Maximum Activity Count: Maximum number of activity counts recorded |
|
|
|
|
onsetlat |
Integer |
|
Recommended |
Onset Latency: The length of time it takes to transition of wakefulness to sleep |
|
In minutes
|
|
|
eff |
Integer |
|
Recommended |
Sleep Efficiency: Percentage of total time in bed that was actually spent asleep |
0::100
|
|
|
|
waso |
Integer |
|
Recommended |
Wake After Sleep Onset: The amount of time the participant was awake during the night |
|
In minutes
|
|
|
percentwake |
Integer |
|
Recommended |
Percentage of time spent awake |
0::100
|
Calculated by: Waketime/duration*100
|
|
|
numwakebouts |
Integer |
|
Recommended |
Number of periods of segmented wake times |
|
|
|
|
avgwakeb |
Integer |
|
Recommended |
Number of minutes per segmented wake time |
|
In minutes
|
|
|
sleeptimemin |
Integer |
|
Recommended |
Number of minutes asleep after sleep onset |
|
In minutes
|
|
|
percentsleep |
Integer |
|
Recommended |
Percentage of time spent asleep |
0::100
|
Calculated by: Sleeptime/duration*100
|
|
|
numsleepbouts |
Integer |
|
Recommended |
Number of periods of segmented sleep time |
|
|
|
|
avgsleepb |
Integer |
|
Recommended |
Number of minutes per segmented sleep time |
|
In minutes
|
|
|
fragmentation |
Integer |
|
Recommended |
Sleep Fragmentation: Percentage of epochs with y-axis greater than 0 + percent 1 minute sleep vs. all periods of sleep during the sleep period |
0::100
|
|
|
|
timepoint_label |
String |
50
|
Recommended |
Timepoint/visit label |
|
|
|
|
waketimemin |
Integer |
|
Recommended |
Wake Time: The number of minutes awake after sleep onset |
|
In minutes
|
|
|
sleepduration |
Integer |
|
Recommended |
Sleep Duration: The number of minutes the participant was sleeping |
|
In minutes
|
|
|
analysisname |
String |
100
|
Recommended |
Analysis Name |
|
|
|
|
intervaltype |
String |
100
|
Recommended |
Interval Type |
|
|
|
|
intervalnum |
Integer |
|
Recommended |
Interval Number |
|
|
|
|
act_start_day |
String |
10
|
Recommended |
Start day of the actigraphy recording |
|
|
|
|
act_end_day |
String |
10
|
Recommended |
End day of the actigraphy recording |
|
|
|
|
offwrist |
Integer |
|
Recommended |
Off wrist minutes: The number of minutes the participant did not have the wrist actigraph on during ''Duration'' |
|
In minutes
|
|
|
percentoffwrist |
Integer |
|
Recommended |
Percentage of time Offwrist |
0::100
|
Calculated by: Offwrist/Duration*100
|
|
|
visit |
String |
60
|
Recommended |
Visit name |
|
|
|