Table 2.
Demographic characteristics of ketamine injectors at baseline and five waves of follow-up interviews (n = 101)
| Baseline n = 101 |
Follow-up 1 n = 79 |
Follow-up 2 N = 70 |
Follow-up 3 n = 56 |
Follow-up 4 n = 46 |
Follow-up 5 n = 34 |
|
|---|---|---|---|---|---|---|
| Median age | 22 | 21 | 21 | 21 | 21 | 21 |
| Male | 64.4% | 60.8% | 60.0% | 60.7% | 65.2% | 64.7% |
| Race and ethnicity | ||||||
| White/Caucasian | 76.2% | 81.0% | 78.6% | 78.6% | 76.1% | 76.5% |
| Black/African American | 1.0% | 1.3% | 1.4% | 1.8% | 2.2% | 2.9% |
| Hispanic/Latino | 5.9% | 6.3% | 7.1% | 7.1% | 8.7% | 11.8% |
| Asian or Pacific Islander | 1.0% | 1.3% | 1.4% | 1.8% | 2.2% | 2.9% |
| Native American | 1.0% | 1.3% | 1.4% | – | – | – |
| Multiracial background** | 14.9% | 8.9% | 10.0% | 10.7% | 10.9% | 5.9% |
| Sexual identity | ||||||
| Heterosexual | 76.2% | 74.7% | 75.7% | 73.2% | 78.3% | 82.4% |
| Gay/lesbian | 2.0% | 2.5% | 2.9% | 1.8% | – | – |
| Bisexual | 19.8% | 20.3% | 20.0% | 23.2% | 19.6% | 17.6% |
| Other/undecided | 2.0% | 3.8% | 2.9% | 1.8% | 4.3% | 2.9% |
| High school graduate or GED | 60.4% | 60.7% | 60.0% | 57.2% | 56.5% | 58.8% |
| Homeless | 94.1% | 93.7% | 95.7% | 96.4% | 95.7% | 97.1% |
| Homeless traveler | 68.3% | 67.1% | 70.0% | 69.6% | 69.6% | 70.6% |
| Ever homeless | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Ever sold ketamine | 34.7% | 36.7% | 37.1% | 35.7% | 32.6% | 26.5% |
| Employed full or part time | 12.9% | 12.7% | 12.9% | 12.5% | 13.0% | 8.8% |
| History of drug treatment | 58.4% | 57.0% | 60.0% | 58.9% | 58.7% | 58.8% |
| History of mental health care | 75.2% | 74.7% | 74.3% | 75.0% | 73.9% | 70.6% |
| Ever arrested | 94.1% | 93.7% | 98.6% | 98.2% | 97.8% | 100.0% |
| Ever in jail | 88.1% | 86.1% | 90.0% | 89.3% | 89.1% | 88.2% |
| Ever in prison | 14.9% | 10.1% | 11.4% | 12.5% | 10.9% | 5.9% |
| Tested for HIV | 94.1% | 92.4% | 91.4% | 91.1% | 89.1% | 85.3% |
| HIV positivea | – | – | – | – | – | – |
| Tested for HCV | 87.1% | 86.1% | 85.7% | 85.7% | 91.3% | 88.2% |
| HCV positivea | 24.8% | 25.3% | 27.1% | 25.0% | 26.1% | 20.6% |
a
Self reported.
**
Of respondents reporting multiracial ancestry (n = 15):
White/Caucasian = 100.0%
Black/African American = 13.3%
Hispanic/Latino = 33.3%
Asian or Pacific Islander = 6.7%
Native American = 46.7%