subjects

JSON array

This object is an array of subjects, with information about each subject.

JSON variables

🔵 Primary key 🔴 Required 🟡 Computed (squirrel writer/reader should handle these variables)

Variable
Type
Default
Description (and possible values)

AlternateIDs

JSON array

List of alternate IDs. Comma separated.

DateOfBirth

date

🔴

Subject’s date of birth. Used to calculate age-at-study. Value can be YYYY-00-00 to store year only, or YYYY-MM-00 to store year and month only.

Gender

char

Gender.

GUID

string

Globally unique identifier, from the NIMH Data Archive (NDA).

Ethnicity1

string

NIH defined ethnicity: Usually hispanic, non-hispanic

Ethnicity2

string

NIH defined race: americanindian, asian, black, hispanic, islander, white

Notes

string

Notes about this subject

Sex

char

🔴

Sex at birth (F,M,O,U).

SubjectID

string

🔴 🔵

Unique ID of this subject. Each subject ID must be unique within the package.

InterventionCount

number

🟡

Number of intervention objects.

ObservationCount

number

🟡

Number of observation objects.

StudyCount

number

🟡

Number of studies.

VirtualPath

string

🟡

Relative path to the data within the package.

JSON array

Array of imaging studies/sessions.

JSON array

Array of observations.

JSON array

Array of interventions.

Directory structure

Files associated with this section are stored in the following directory

/data/<SubjectID>

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