|
subjectkey |
GUID |
|
Required |
The NDAR Global Unique Identifier (GUID) for research subject |
NDAR*
|
|
|
|
src_subject_id |
String |
20
|
Required |
Subject ID how it's defined in lab/project |
|
|
|
|
interview_date |
Date |
|
Required |
Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY |
|
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|
|
interview_age |
Integer |
|
Required |
Age in months at the time of the interview/test/sampling/imaging. |
0::1440
|
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.
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|
|
sex |
String |
20
|
Required |
Sex of subject at birth |
M;F; O; NR
|
M = Male; F = Female; O=Other; NR = Not reported
|
gender |
Query
|
timept |
Integer |
|
Recommended |
Time Point |
|
888 = not applicable; 999 = missing
|
timestamp |
|
proceduretrial |
String |
20
|
Recommended |
Trial type |
|
|
datatype |
Query
|
hour |
Integer |
|
Recommended |
Hour of the day of the sample |
0 :: 24
|
Range begins at 0 = Midnight
|
|
Query
|
x_acl |
Float |
|
Recommended |
Change in acceleration in the X axis in m/s^2 |
|
|
x |
Query
|
y_acl |
Float |
|
Recommended |
Change in acceleration in the Y axis in m/s^2 |
|
|
y |
Query
|
z_acl |
Float |
|
Recommended |
Change in acceleration in the Z axis in m/s^2 |
|
|
z |
Query
|
aclavg |
Float |
|
Recommended |
Root mean square acceleration across al three axes in m/s^2 using: sqrt(X^2+Y^2+Z^2) |
|
|
|
|
gpsevent |
String |
20
|
Recommended |
Description of reason for GPS sample |
|
Activating = Phone turned on location services; App-Pausing = App switched to background; App-Resuming = App switched to foreground; Deactivating = Phone turned off location services; Disabling-Services = Location services turned off; Disabling-Timer = Location services turned off from timer; Enabling-Services = Location services turned on from timer; gps-Disabled = Location services turned off; Location-Changed = GPS coordinates changed since last recording; network-Disabled = Network location services turned off; Status-Changed = Satellite connection lost
|
event |
|
enabled |
String |
5
|
Recommended |
Location tracking turned on |
|
TRUE = Location services on; FALSE = Location services off
|
|
|
gpsevent_type |
String |
20
|
Recommended |
Type of location services available |
|
network-and-gps = Network and GPS sattelites; network-only = Network; no-location-services = No location services
|
event_type |
|
gpssource |
String |
7
|
Recommended |
Source of GPS location |
|
gps = GPS system; network = cellular or wifi signal
|
source |
Query
|
gpsaccuracy |
Float |
|
Recommended |
Accuracy of GPS coordinates in meters |
|
|
accuracy |
Query
|
gpslatitude |
Integer |
|
Recommended |
GPS location in degrees |
|
|
latitude |
Query
|
gpslongitude |
Integer |
|
Recommended |
GPS location in degrees |
|
|
longitude |
Query
|
seconds_on |
Integer |
|
Recommended |
For periodic tracking, current ON duration |
|
|
|
Query
|
seconds_off |
Integer |
|
Recommended |
For periodic tracking, current OFF duration |
|
|
|
Query
|
time_interval |
Integer |
|
Recommended |
Seconds, minimum time interval between updates |
|
|
|
Query
|
distance |
Float |
|
Recommended |
Meters, minimum distance between updates |
|
|
|
Query
|
geofence_count |
Integer |
|
Recommended |
Number of active geofences |
|
|
|
Query
|
recorded |
Integer |
|
Recommended |
time of recording |
|
HH:MM
|
|
Query
|
satellite_count |
Integer |
|
Recommended |
Number of satelites used in recording |
|
|
|
Query
|
distance_change |
Float |
|
Recommended |
Change in distance in meters from previous recording |
|
|
|
Query
|
gpshome |
Integer |
|
Recommended |
If GPS sample is within half a km of participant home |
0;1
|
0 = Not at home; 1 = Home
|
home |
Query
|
latitude_masked |
Float |
|
Recommended |
GPS location in degrees, masked with participant home equal to 0 |
|
|
|
Query
|
longitude_masked |
Float |
|
Recommended |
GPS location in degrees, masked with participant home equal to 0 |
|
|
|
Query
|
meters_from_home |
Float |
|
Recommended |
Meters from home GPS location |
|
|
|
Query
|
smp_cnt |
Float |
|
Recommended |
Number of audio samples recorded at 16KHZ |
|
|
|
Query
|
max_amp |
Float |
|
Recommended |
Maximum amplitude of audio during sample period |
|
|
|
Query
|
min_amp |
Float |
|
Recommended |
Minimum amplitude of audio during sample period |
|
|
|
Query
|
max_amp_abs |
Float |
|
Recommended |
Maximum amplitude of audio during sample period using absolute value |
|
|
|
Query
|
min_amp_abs |
Float |
|
Recommended |
Minimum amplitude of audio during sample period using absolute value |
|
|
|
Query
|
mean_amp |
Float |
|
Recommended |
Mean of audio during sample period |
|
|
|
Query
|
mean_amp_abs |
Float |
|
Recommended |
Mean of audio during sample period using absolute value |
|
|
|
Query
|
median_amp |
Float |
|
Recommended |
Median amplitude |
|
|
|
Query
|
rms |
Float |
|
Recommended |
Root mean sum of amplitude |
|
|
|
Query
|
vari |
Float |
|
Recommended |
Variance of amplitude in sample |
|
|
|
Query
|
sqr_vari |
Float |
|
Recommended |
Root square of variance |
|
|
std_dev |
Query
|
vox_act |
Float |
|
Recommended |
Number of frames in audio sample in which voice activity is detected |
|
|
|