Prescription drugs (n, %)a | |
 1. Opiates/opioids | 610; 35.3% |
 2. Anti-depressant/anti-anxiety | 371; 21.5% |
 3. Non-opioid pain medications | 189; 10.9% |
 4. Anti-seizure medications | 149; 8.6% |
 5. Muscle relaxant/sleep aids | 140; 8.1% |
 6. Benzodiazepines | 75; 4.3% |
 7. Stimulants | 59; 3.4% |
 8. Antiemetics | 24; 1.4% |
 9. Antipsychotics | 18; 1% |
Illicit drugs (n, %)b | |
 1. Cocaine/Crack | 89; 17.4% |
 2. Psychedelics | 60; 11.7% |
 3. Non-prescription opioids | 29; 5.7% |
 4. Stimulants | 14; 2.7% |
 5. Depressants | 8; 1.6% |