Appendix A.
Baseline characteristics of all clients enrolled in the syringe services program (N=1,059).
| Characteristic | Longitudinal cohort (n=115) (n,%) |
Baseline-only cohort (n=945) (n,%) |
p-value |
|---|---|---|---|
| Age (median, IQR) | 38 (32–47) | 36 (30–44) | 0.053 |
| Biological Sex | 0.71 | ||
| Male | 88 (76.5) | 700 (75.0) | |
| Female | 27 (23.5) | 234 (25.0) | |
| Race/Ethnicity | 0.46 | ||
| Non-Hispanic White | 57 (50.4) | 504 (55.5) | |
| Non-Hispanic Black | 5 (4.4) | 49 (5.4) | |
| Hispanic | 51 (45.1) | 356 (39.2) | |
| Housing Status | <0.01 | ||
| Currently experiencing homelessness | 56 (58.3) | 311 (34.3) | |
| Drugs Injected | |||
| Heroin | 97 (84.4) | 689 (72.5) | <0.01 |
| Cocaine | 30 (26.1) | 260 (27.5) | 0.79 |
| Methamphetamine | 10 (8.7) | 166 (17.6) | 0.02 |
| Crack-cocaine | 11 (9.6) | 80 (8.5) | 0.67 |
| Speedball | 25 (21.7) | 164 (17.4) | 0.23 |
| Fentanyl | 17 (14.8) | 160 (16.9) | 0.59 |
| HIV-positive | 11 (9.7) | 91 (9.8) | 0.76 |
| HCV-positive | 50 (45.1) | 386 (42.3) | 0.53 |
| Average number of injections per day | <0.01 | ||
| <5 | 64 (57.7) | 342 (39.5) | |
| ≥5 | 47 (42.3) | 523 (60.5) | |
| Injection in public places (e.g. streets) | <0.01 | ||
| Yes | 64 (55.7) | 329 (34.8) | |
| No | 51 (44.3) | 616 (65.2) | |
| Share injection equipment | <0.01 | ||
| Yes | 51 (47.2) | 282 (29.8) | |
| No | 57 (52.8) | 663 (70.2) | |
| Reuse syringes | <0.01 | ||
| Yes | 93 (94.9) | 600 (67.7) | |
| No | 5 (5.10) | 286 (32.3) | |