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Ethogram displaying and quantifying injection drug users risk associated behaviors
| Ranking | Classification | Definition |
|---|---|---|
| 0 | No drug use | No use of injection drugs |
| 1 | Limited drug use | Lone occasional use of injection drugs |
| 2 | Mild drug use | Occasional use of injection drugs with other users and visiting shooting galleries |
| 3 | Moderate drug use | Sharing/ splitting drugs |
| 4 | Intense drug use | Sharing/ splitting drug paraphernalia |
| 5 | Severe drug use | Occupying a shooting gallery full time |
