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Participant demographic and substance use characteristics.
| Lower LIFU dose (60-W) | Enhanced LIFU dose (90-W) | |||
|---|---|---|---|---|
| Participant # | 1 | 2 | 3 | 4 |
| Age (years) | 39 | 34 | 30 | 33 |
| Gender | M | M | M | F |
| Substance use (years) | ||||
| Opioids | 11 | 13 | 14 | 3 |
| Heroin | 6 | - | 3 | - |
| Alcohol | 27 | 18 | 17 | 18 |
| Cannabis | 27 | 14 | 14 | 11 |
| Methamphetamine | - | 1 | 3 | 2 |
| Cocaine | 7 | 12 | - | 14 |
| Benzodiazepines | 9 | 13 | 14 | 14 |
| Nicotine | 29 | 9 | 14 | 18 |
| Most recent substances used (days since last use) | Cannabis (13)/ Alcohol (>180) | Benzos/Meth/ Cannabis (478) | Alcohol (85) | Alcohol (13) |
