Data Structure
ABCD Youth Hair Sample
Version 01Submissions Not Allowed
Short Name: abcd_hers01
Data Type: Clinical Assessments
Categories: Substance Use
Information collected by RAs at the time of collecting ~100 strands of hair for metabolites indicating substance use in past month or longer (e.g. time of day of collection)
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 | ||
| hair_status_y | Integer | Recommended | Hair Sample Collection: | 2::9 | 2=Collected; 4=Participant refused; 5=Not collected, hair was not appropriate (too short, braids, etc.); 6=Institution not authorized to collect samples due to COVID; 7=Staff discomfort due to COVID; 8=Exceed 15min of < 6ft distance from youth (COVID); 9=Not approved by ABCD for collection; 3=Not collected (other) |
| hair_dot_y | String | Recommended | Hair sample time and date collected: |