This is self-reported drug use. The values are the result of
extensive processing of free text as well as structured values. These
substances are group grouped as opioids: Codeine, Fentanyl, Hydrocodone,
Merperidine, Oxycodone, Oxymorphone, Propoxyphene. NOTE: Records where
people self-reported the study drug after it was prescribed have been
removed from this file. The all_drugs dataset contains these nebulous
records. See the vignette
Harmonization Information for more
information.
Usage
data(tlfb)Format
A tibble with 237,778 rows and 3 variables:
- who
Type: integer Description: Patient ID - what
Type: factor (First/Reference level = Alcohol) Description: Text description of drugs; for more information, see Harmonization Information Levels: Alcohol, Amphetamine, Analgesic, Antibiotic, Antidepressant, Antiemetic, Antihistamine, Antipsychotic, Benadryl, Benzodiazepine, Buprenorphine, Caffeine, Cathinones, Clonidine, Cocaine, Dextromethorphan, Ghb, Hallucinogen, Heroin, Inhalant, K2, Kratom, Mdma/Hallucinogen, Methadone, Methylphenidate, Muscle Relaxant, Opioid, Pcp, Pseudoephedrine, Sedatives, THC, Unknown - when
Type: integer Description: Study Day