Characteristic | Total (%) (n = 508) | Not in Cluster (%) (n = 467) | In Cluster (%) (n = 41) | Univariate | P-value | Multivariate | P-value |
---|---|---|---|---|---|---|---|
Age (per 10 year decrease) | – | – | – | 1.59 (1.15, 2.20) | < 0.01 | 1.57 (0.98, 2.53) | 0.06 |
Female Sex | 163 (32.1) | 140 (30.0) | 23 (56.1) | 2.98 (1.56, 5.70) | < 0.01 | 2.32 (1.19, 4.55) | 0.01 |
Race | |||||||
 Black | 441 (86.8) | 411 (88.0) | 30 (73.1) | Ref. | – | Ref. | – |
 Non-black | 67 (13.2) | 56 (12.0) | 11 (26.8) | 2.69 (1.28, 5.67) | < 0.01 | 2.42 (0.95, 6.21) | 0.07 |
HCV Genotype | |||||||
 1a | 421 (82.9) | 388 (83.1) | 33 (80.5) | Ref. | – | – | – |
 1b | 87 (17.1) | 76 (16.9) | 8 (19.5) | 1.70 (0.82, 3.51) | 0.15 | – | – |
HIV positive | 196 (38.6) | 166 (35.5) | 30 (73.2) | 4.95 (2.42, 10.12) | < 0.01 | 5.67 (2.70, 11.92) | < 0.01 |
High school education or higher | 202 (39.8) | 184 (39.5) | 18 (43.9) | 1.20 (0.63, 2.28) | 0.58 | – | – |
Homelessnessa | 98 (19.3) | 91 (19.5) | 7 (17.1) | 0.85 (0.37, 1.98) | 0.71 | – | – |
Shared a syringea | 85 (16.7) | (79 16.9) | 6 (14.6) | 0.84 (0.34, 2.07) | 0.71 | – | – |
Visit SSP in last month | 61 (12.1) | 57 (12.5) | 3 (7.3) | 0.55 (0.17, 1.85) | 0.34 | – | – |
Injection drug use behaviorsa | |||||||
 Any injection drug use | 204 (40.2) | 189 (40.6) | 15 (36.6) | 0.85 (0.44, 1.64) | 0.62 | – | – |
 Use crack | 157 (31.0) | 146 (31.3) | 11 (26.8) | 0.80 (0.39, 1.65) | 0.55 | – | – |
 Inject cocaine | 112 (22.0) | 103 (22.1) | 9 (22.0) | 1.03 (0.46, 2.32) | 0.94 | – | – |
 Inject heroin alone | 146 (28.7) | 137 (29.3) | 9 (22.0) | 0.68 (0.31, 1.46) | 0.32 | – | – |
 Inject speedball | 122 (24.0) | 114 (24.4) | 8 (19.5) | 0.75 (0.34, 1.67) | 0.48 | – | – |
Year sample collected | |||||||
 2005–2009 | 99 (19.5) | 93 (19.9) | 6 (14.6) | Ref. | – | Ref. | – |
 2010–2014 | 48 (9.5) | 42 (9.0) | 6 (14.6) | 2.21 (0.67, 7.30) | 0.19 | 1.07 (0.31, 3.76) | 0.91 |
 2016 | 361 (71.1) | 332 (71.1) | 29 (70.7) | 1.35 (0.53, 3.36) | 0.51 | 2.48 (0.88, 6.99) | 0.09 |