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RADx® Data Hub
Variable Information
LabelIntravenous drug use
SectionMedical History
Data Typeinteger
RADx Variable CategoryRADx Core Variable
Description
The nih_iv_drug_use data element records responses to the prompt, or a congruently meaning prompt, "Intravenous drug use". Equivalent prompts are: - "Intravenous drug use" RADx-UP - "Intravenous drug use" RADx-DHT The values for this data element are integers that come from a list of 5 permissible integer values. The nih_iv_drug_use data element is the result of the harmonization of other RADx program data elements: cc_intrav RADx-UP; dht_iv_drug_use RADx-DHT Note that the meaning of the value 97 is context specific and depends on the subset of permissible value used by a specific study (not all studies presented the full set of permissible values documented here for this data element). Therefore, the meaning of the value 97 in an individual data record MUST be determined by referring to the original data dictionary for the non-harmonized data in that study.
KeywordsIDU; Intravenous Drug User
Term
BioPortal Logo [NCIT:C84367] Intravenous Drug User
From
RADx-DHT dht_iv_drug_use
RADx-UP cc_intrav_2
Permissible Values
Specimens Table
Value
Label
0
No
1
Yes
97
Other
98
Don’t know
99
Prefer not to answer
List of Studies Using Variable