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This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Ecological Momentary Assessment Data

187 Shared Subjects

N/A
Clinical Assessments
Task Based
05/29/2018
ilumpass01
05/30/2018
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Description Value Range Notes Aliases
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
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.
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
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

Please email the The NDA Help Desk with any questions.

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