Table 2.
Baseline characteristics of the sample grouped by intervention condition
| VCT | Safety Counts | Total | |
|---|---|---|---|
| Number of participants | 558 | 558 | 1,116 |
| Completed a follow-up on time, N (%) | 449 (80.5) | 426 (76.3) | 875 (78.4) |
| Male, N (%) | 384 (68.8) | 367 (65.8) | 751 (67.3) |
| African American, N (%) | 243 (43.5) | 248 (44.4) | 491 (44.0) |
| White, N (%) | 169 (30.3) | 169 (30.3) | 338 (30.3) |
| Latino, N (%) | 124 (22.2) | 102 (18.3) | 226 (20.3) |
| Other race/ethnicity, N (%) | 22 (3.9) | 39 (7.0) | 61 (5.5) |
| Age, mean (SD) | 38.1 (8.3) | 38.1 (7.6) | 38.1 (7.9) |
| <30, N (%) | 84 (15.1) | 71 (12.7) | 155 (13.9) |
| 30–34, N (%) | 105 (18.8) | 104 (18.6) | 209 (18.7) |
| 35–39, N (%) | 147 (26.3) | 158 (28.3) | 305 (27.3) |
| 40–44, N (%) | 109 (19.5) | 123 (22.0) | 232 (20.8) |
| 45+, N (%) | 113 (20.3) | 102 (18.3) | 215 (19.3) |
| Less than HS graduate, N (%) | 232 (41.7) | 231 (41.4) | 463 (41.5) |
| HS graduate or GED, N (%) | 197 (35.4) | 189 (33.9) | 386 (34.6) |
| Some college, N (%) | 98 (17.6) | 106 (19.0) | 204 (18.3) |
| College graduate or more, N (%) | 30 (5.4) | 32 (5.7) | 62 (5.6) |
| Single, never married, N (%) | 209 (37.5) | 26 (40.5) | 435 (39.0) |
| Married, living with spouse, N (%) | 153 (27.4) | 142 (25.4) | 295 (26.4) |
| Widowed, separated, divorced, N (%) | 196 (35.1) | 190 (34.1) | 386 (34.6) |
| Currently unemployed, N (%) | 498 (89.6) | 475 (85.4) | 973 (87.5)* |
| Currently homeless, N (%) | 251 (45.1) | 224 (40.3) | 475 (42.7) |
| HIV negative, N (%) | 516 (92.5) | 515 (92.3) | 1,031 (92.4) |
| HIV positive, N (%) | 18 (3.2) | 25 (4.5) | 43 (3.9) |
| Serostatus unknown, N (%) | 24 (4.3) | 18 (3.2) | 42 (3.8) |
| Injection drug user only, N (%) | 167 (29.9) | 162 (29.0) | 329 (29.5) |
| Crack user only, N (%) | 194 (34.8) | 199 (35.7) | 393 (35.2) |
| Both IDU and crack user, N (%) | 197 (35.3) | 197 (35.3) | 394 (35.3) |
| Cocaine in urine at baseline, N (%) | 463 (83.6) | 483 (86.7) | 946 (85.1) |
| Opiates in urine at baseline, N (%) | 260 (46.7) | 266 (47.7) | 526 (47.2) |
| In the 30 days prior to baseline | |||
| Sexually active, N (%) | 396 (71.0) | 380 (68.1) | 776 (69.5) |
| Times had sex, mean (SD) | 10.2 (23.1) | 9.6 (18.3) | 9.9 (20.9) |
| Number of unprotected sex acts, mean (SD) | 7.3 (15.1) | 7.2 (15.6) | 7.2 (15.4) |
| Practiced safe sex, N (%) | 240 (43.0) | 235 (42.1) | 475 (42.6) |
| Times injected drugs, mean (SD) | 46.5 (61.6) | 46.1 (59.0) | 46.3 (60.3) |
| Times injected with dirty works, mean (SD) | 4.7 (20.4) | 5.1 (20.8) | 4.9 (20.6) |
| Times used crack, Mean (SD) | 38.6 (56.2) | 46.7 (70.8) | 42.7 (64.0)* |
| Times used alcohol or marijuana, mean (SD) | 35.5 (59.4) | 32.8 (51.4) | 34.2 (55.5) |
| Times used other drugs‡, Mean (SD) | 95.5 (111) | 99.4 (85.6) | 97.5 (99.3) |
* Indicates Chi-square or t-test P-value < 0.05
‡Sum of times injected: cocaine, heroin, speedball, nonprescription methadone, other opiates, amphetamines, other drugs; plus different occasions used without injecting: crack, cocaine, heroin, speedball, nonprescription methadone, other opiates, amphetamines, other drugs