Variable Name | Variable Label | Type | Controlled Terms, Codelist, or Format | Role | CDISC Notes | Core |
|---|
STUDYID | Study Identifier | Char |
| Identifier | Unique identifier for a study. | Req |
RDOMAIN | Related Domain Abbreviation | Char |
| Identifier | Two-character abbreviation for the domain of the parent record(s). | Req |
USUBJID | Unique Subject Identifier | Char |
| Identifier | Unique Subject Identifier of the Parent record(s). Either USUBJID or POOLID must be populated, except for certain domain-to-domain relationships (see Section 8.2.3). | Exp |
POOLID | Pool Identifier | Char |
| Identifier | Pool Identifier of the Parent record(s). If POOLID is entered, POOLDEF records must exist for each subject and the USUBJID must be null. Either USUBJID or POOLID must be populated. | Perm |
IDVAR | Identifying Variable | Char |
| Identifier | Name of the identifying variable in the general observation class domain that identifies the related record(s). Examples include BWSEQ and BWGRPID. | Req |
IDVARVAL | Identifying Variable Value | Char |
| Identifier | Value of identifying variable described in IDVAR. For example, if BWSEQ is the variable being used to describe this record, then the value of BWSEQ would be entered here. | Exp |
RELTYPE | Relationship Type | Char | (RELTYPE) | Record Qualifier | Identifies the hierarchical level of the records in the relationship. Values are only necessary when identifying a relationship between domains (as described in Section 8.4). Values should be either ONE or MANY. | Perm |
RELID | Relationship Identifier | Char |
| Record Qualifier | Unique value within a study that identifies the relationship. RELID can be any value the sponsor applicant chooses and is only meaningful within the df dataset to identify the related/associated domain records. | Req |