TABLE 2.
HCV, HSV-2, and HIV Prevalence by Demographic Characteristics Among IDUs Who Began Injecting in 1995 or Later: Risk Factors Study, New York City, 2005–2010
| Variable | Total No. | HCV+, No. (%) | HSV-2+, No. (%) | HIV+, No. (%) |
| Total | 337 | 179 (55)a | 133 (39) | 27 (8) |
| Gender/MSM statusb | ||||
| Men (non-MSM) IDUs | 249 | 125 (52) | 70 (28)*** | 9 (4)*** |
| MSM IDUs | 25 | 16 (64) | 13 (52) | 7 (28) |
| Female IDUs | 62 | 38 (63) | 50 (81) | 11 (18) |
| Race/ethnicity | ||||
| White | 105 | 47 (47)** | 28 (27)*** | 3 (3)** |
| Black | 41 | 14 (34) | 31 (76) | 10 (24) |
| Hispanic | 175 | 108 (64) | 70 (40) | 14 (8) |
| Other or mixed | 16 | 10 (67) | 4 (25) | 0 (0) |
| Frequency of injection | ||||
| Daily or less often | 70 | 26 (37)*** | 27 (39) | 5 (7) |
| Daily or more often | 267 | 153 (60) | 106 (40) | 22 (8) |
| Heroin injection | ||||
| No | 11 | 5 (45) | 3 (27) | 1 (9) |
| Yes | 326 | 174 (55) | 130 (40) | 26 (8) |
| Cocaine injection | ||||
| No | 164 | 71 (45)*** | 68 (42) | 17 (10) |
| Yes | 173 | 108 (64) | 65 (38) | 10 (6) |
| Years injecting | ||||
| < 5 | 162 | 68 (43)*** | 68 (42) | 10 (6) |
| ≥ 5 | 175 | 111 (65) | 65 (37) | 17 (10) |
| Smoking crack cocaine | ||||
| No | 214 | 120 (58) | 78 (36) | 8 (4)*** |
| Yes | 123 | 59 (49) | 55 (45) | 19 (15) |
| Age, y | ||||
| < 40 | 259 | 138 (55) | 90 (35)** | 15 (6)** |
| ≥ 40 | 78 | 41 (55) | 43 (55) | 12 (15) |
Note. HSV-2 = herpes simplex virus type 2; IDU = injecting drug user; MSM = men who have sex with men.
HCV results were not available for 10 (3%) IDUs, including 1 HIV seropositive participant. HCV percentages are relative to the 327 IDUs or their demographic subsets, from which HCV results were available.
Gender or MSM and race/ethnicity are used as single, multicategory variables.
*P < .05; **P < .01; ***P < .001, χ2 test for comparison with demographic group.