Table 3.
Drug form, injection practices, and risk behaviors at first injection of ketamine among IDUs recruited in New York, Los Angeles, and New Orleans between 2004 and 2006 (N = 213)
| Mode of administration | |
| Intravenous (IV) | 55.9% |
| Intramuscular (IM) | 42.7% |
| Subcutaneous | 1.4% |
| Self-injected | 71.4% |
| Multiple injections | |
| One injection | 70.4% |
| Two injections | 16.0% |
| Three or more injections | 13.6% |
| Drug form | |
| Liquid | 49.8% |
| Powder | 41.8% |
| Do not know | 8.5% |
| Syringe acquisition | |
| Self-acquired | 48.3% |
| Friend acquired | 44.6% |
| Stranger or do not know | 7% |
| Risk behaviors | |
| Receptive syringe sharing | 3.3% |
| Syringe reuse | 9.4% |
| Shared cooker/cottona | 48.1% |
| Shared ketamine vialb | 69.4% |
a
Denominator limited to respondents who injected powder ketamine with another person.
b
Denominator limited to respondents who injected liquid ketamine with another person.