all_drugs               All drugs taken
asi                     Did patient use intravenous drugs
demographics            Patient demographics
detox                   Start and Stop of Detox
everybody               Everybody with any data
fagerstrom              Fagerstrom Test for Nicotine Dependence
first_survey            First Survey Date
meta_study_length       Metadata About Study Length
meta_substance_groups_uds
                        Metadata About UDS Groupings
pain                    Self-Reported Pain
psychiatric             Psychiatric History
qol                     Quality of Life
randomization           Randomization Data
rbs                     Risk Behavior Survey
rbs_iv                  Risk Behavior Survey IV drug use information
screening_date          Screening Date Information
sex                     Sexual Activity in Risk Behavior Survey
site_masked             Site Regrouped
tlfb                    Timeline Followback (TLFB) Drug Use Information
treatment               Amount of Study Drug Per Day
uds                     Urine Drug Screening (UDS) Results
uds_temp                Urine Drug Screening (UDS) Temperature
visit                   Patient Visit Data
withdrawal              Patient Withdrawal Symptoms Per Day
withdrawal_pre_post     Patient Withdrawal Symptoms Pre and Post
                        Induction
