Table 1 Participants’ socio-demographic characteristics, injection practices, and history of testing and utilization of prevention services (N = 149)
Variable | N (%) | 95% CI | Mean (SD) | Median (min–max) | |
|---|---|---|---|---|---|
Lower | Upper | ||||
Age |  | 40.45 | 43.97 | 42.2 (10.9) | 42 (20–63) |
Gender | |||||
 Male | 148 (99) | 95.3% | 99.9% |  |  |
 Female | 1 (1) | .1% | 4.7% |  |  |
Employment status | |||||
 Employed | 39 (26) | 19.7% | 33.9% |  |  |
 Unemployed | 109 (73) | 65.4% | 79.7% |  |  |
 Refused to answer | 1 (1) | .1% | 4.7% |  |  |
Drugs injected, last 6 monthsa | |||||
 Buprenorphine | 88 (59) | 50.9% | 66.7% |  |  |
 Heroin | 124 (83) | 76.3% | 88.5% |  |  |
 Opium | 15 (10) | 6.1% | 16.1% |  |  |
 Methadone | 25 (17) | 11.5% | 23.7% |  |  |
 Other opioids | 10 (7) | 3.6% | 12.1% |  |  |
 Home-made stimulants | 41 (28) | 20.9% | 35.3% |  |  |
 Amphetamine/methamphetamine | 30 (20) | 14.4% | 27.4% |  |  |
 Cocaine/crack | 4 (3) | 1.0% | 7.0% |  |  |
 Antihistamines | 1 (1) | .1% | 4.7% |  |  |
 Bio-amphetamine/bath salts | 3 (2) | .6% | 6.1% |  |  |
 MDMA | 1 (1) | .1% | 4.7% |  |  |
 Unknown substance | 3 (2) | .6% | 6.1% |  |  |
Did you share injection equipment with others, last month | |||||
 Yes | 23 (15) | 10.4% | 22.2% |  |  |
 No | 125 (84) | 77.0% | 89.0% |  |  |
 Do not know/do not remember | 1 (1) | .1% | 4.7% |  |  |
Age of first injection use |  | 18.49 | 19.91 | 19.2 (4.4) | 18 (13–37) |
Years of regular injection use |  | 12.89 | 16.08 | 14.5 (9.9) | 14.0 (0.3–40) |
Number of injections, last month |  | 12.33 | 16.10 | 14.2 (11.7) | 10 (1–60) |
Total number of people drugs used with, last monthb |  | 4.45 | 6.49 | 5.5 (6.3) | 3 (0–40) |
Number of people injection instruments shared with, last month |  | 2.79 | 4.17 | 3.5 (1.6) | 3 (1–7) |
Overdose experience, lifetime, any drug | 83 (56) | 47.6% | 63.6% | Â | Â |
Number of overdose episodes, lifetime |  | 2.27 | 4.92 | 3.6 (6.0) | 2 (1–50) |
Where did you get syringes from, last month | |||||
 Pharmacy only | 127 (85) | 78.5% | 90.1% |  |  |
 Friends only | 4 (3) | 1.0% | 7.0% |  |  |
 Pharmacy and friends | 18 (12) | 7.7% | 18.4% |  |  |
Ever used NSP services | |||||
 Never | 126 (85) | 77.8% | 89.6% |  |  |
 Used earlier, more than 6 months ago | 23 (15) | 10.4% | 22.2% |  |  |