Variable Name,Variable Label,Type,Role,Description
STUDYID,Study Identifier,Char,Identifier,Unique identifier for a study.
APID,Associated Persons Identifier,Char,Identifier,"Identifier for a single associated person, a group of associated persons, or a pool of associated persons. If APID identifies a pool, POOLDEF records must exist for each associated person (see Section 4.1.3, Pool Definition Dataset and Section 5, Applying Model Fundamentals to Associated Persons)."
RSUBJID,Related Subject or Pool Identifier,Char,Identifier,Identifier for a related subject or pool of subjects. RSUBJID may be populated with the USUBJID of the related subject or the POOLID of the related pool. RSUBJID will be null for data about associated persons who are related to the study but not to any study subjects.
RDEVID,Related Device Identifier,Char,Identifier,Identifier for a related device. RDEVID will be populated with the SPDEVID of the related device.
SREL,"Subject, Device, or Study Relationship",Char,Record Qualifier,"If RSUBJID is populated, describes the relationship of the associated person(s) identified in APID to the subject or pool identified in RSUBJID. If RDEVID is populated, describes the relationship of the associated person(s) identified in APID to the subject or pool identified in RDEVID. If RSUBJID and RDEVID are null, SREL describes the relationship of the associated person(s) identified in APID to the study identified in STUDYID."
