absences
Item
Has the subject been absent for more than 2 weeks?
boolean
C0332197 (UMLS CUI [1,1])
C0681784 (UMLS CUI [1,2])
C0008976 (UMLS CUI [1,3])
Beginning of absence from study area
Item
Approximate date subject left study area
date
C0808070 (UMLS CUI [1,1])
C0332197 (UMLS CUI [1,2])
C0681784 (UMLS CUI [1,3])
C0008976 (UMLS CUI [1,4])
End of absence from study area
Item
Approximate date subject returned to study area
date
C0806020 (UMLS CUI [1,1])
C0332197 (UMLS CUI [1,2])
C0681784 (UMLS CUI [1,3])
C0008976 (UMLS CUI [1,4])