Data Structure
ABCD Longitudinal Tracking
Version 01Submissions Not Allowed
Short Name: abcd_lt01
Data Type: Clinical Assessments
Categories: Summary
Includes site ID of subject at each visit to facilitate identification of the site ID associated with each scan
Name, Type, Required, Description, Value Range, Notes
Name | Type | Required | Description | Value Range | Notes |
|---|---|---|---|---|---|
| subjectkey | GUID | Required | The NDAR Global Unique Identifier (GUID) for research subject | NDAR* | |
| src_subject_id | String | 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 | Required | Sex of subject at birth | M;F; O; NR | M = Male; F = Female; O=Other; NR = Not reported |
| eventname | String | Required | The event name for which the data was collected | ||
| site_id_l | String | Recommended | Site ID at each event | ||
| sched_delay | Integer | Recommended | What is the participant's SCHEDULING STATUS? | 1::9 | 7=Scheduled - In-Person ; 9=Scheduled - Virtual/Hybrid ; 1=Unsure of availability- Parent will call back ; 2=Unsure of availability- RA schedule call back ; 3=Delayed for dental- call back date scheduled ; 4=Delayed for age- call back date scheduled ; 5=Eligible=but lost contact ; 6=Eligible but family decided not to participate prior to the visit. ; 8=No longer eligible. For example=after rescheduling child will be 11 years old |
| sched_hybrid | Integer | Recommended | Hybrid: Is the participant scheduled to complete part of the visit in person? | 0;1 | 1=Yes; 0=No |