| Gender |  |  | |
---|---|---|---|---|
Male | Female | Overall | p-value | |
N (%) | N (%) | N (%) | Â | |
Origin |  |  |  | < 0.001 |
 Other | 479 (17.1) | 48 (9.4) | 527 (15.9) |  |
 Greek | 2327 (82.9) | 465 (90.6) | 2792 (84.1) |  |
Education, highest level completed |  |  |  | < 0.001 |
 Up to Primary | 811 (29.2) | 96 (18.8) | 907 (27.6) |  |
 Middle/Secondary School | 871 (31.4) | 133 (26.0) | 1004 (30.5) |  |
 High school | 799 (28.8) | 173 (33.8) | 972 (29.6) |  |
 University | 294 (10.6) | 110 (21.5) | 404 (12.3) |  |
Homeless | Â | Â | Â | 0.073 |
 not homeless | 1862 (66.5) | 320 (62.4) | 2182 (65.9) |  |
 homeless in the last year, not now | 294 (10.5) | 70 (13.6) | 364 (11.0) |  |
 homeless now | 642 (22.9) | 123 (24.0) | 765 (23.1) |  |
Ever having health insurance | Â | Â | Â | 0.021 |
 No | 1813 (64.9) | 304 (59.6) | 2117 (64.1) |  |
 Yes | 979 (35.1) | 206 (40.4) | 1185 (35.9) |  |
Ever participated in OMT |  |  |  | < 0.001 |
 No | 2110 (76.1) | 312 (61.7) | 2422 (73.9) |  |
 Yes | 661 (23.9) | 194 (38.3) | 855 (26.1) |  |
Ever been in prison |  |  |  | < 0.001 |
 No | 1382 (49.4) | 311 (60.9) | 1693 (51.2) |  |
 Yes | 1413 (50.6) | 200 (39.1) | 1613 (48.8) |  |
Main substance of use |  |  |  | < 0.001 |
 Heroin | 2318 (83.2) | 381 (74.7) | 2699 (81.9) |  |
 Cocaine | 361 (13.0) | 101 (19.8) | 462 (14.0) |  |
 Buprenorphine | 23 (0.8) | 2 (0.4) | 25 (0.8) |  |
 Sisha/Methamph | 16 (0.6) | 1 (0.2) | 17 (0.5) |  |
 Speedball | 67 (2.4) | 25 (4.9) | 92 (2.8) |  |
Frequency of injecting drugs in past 12 months |  |  |  | 0.005 |
 More than once a day | 877 (31.3) | 136 (26.5) | 1013 (30.6) |  |
 Once a day | 218 (7.8) | 29 (5.7) | 247 (7.5) |  |
 More than once a week | 641 (22.9) | 121 (23.6) | 762 (23.0) |  |
 More than once a month | 416 (14.9) | 73 (14.2) | 489 (14.8) |  |
 Less than once a month | 647 (23.1) | 154 (30.0) | 801 (24.2) |  |
Receptive syringe sharing on last injection | Â | Â | Â | 0.131 |
 No | 2080 (79.8) | 364 (76.8) | 2444 (79.4) |  |
 Yes | 525 (20.2) | 110 (23.2) | 635 (20.6) |  |
Receptive syringe sharing in past 12 months |  |  |  | 0.166 |
 Never | 1867 (67.1) | 324 (63.7) | 2191 (66.5) |  |
 Rarely | 691 (24.8) | 147 (28.9) | 838 (25.4) |  |
 About half of the times | 136 (4.9) | 19 (3.7) | 155 (4.7) |  |
 Most of the times, Always | 90 (3.2) | 19 (3.7) | 109 (3.3) |  |
Dividing drugs with a syringe someone else had used before about half of the times or more in the past 12 months |  |  |  | 0.198 |
 No | 1774 (63.2) | 309 (60.2) | 2083 (62.8) |  |
 Yes | 1032 (36.8) | 204 (39.8) | 1236 (37.2) |  |
Frequency of condom use |  |  |  | < 0.001 |
 Always/Usually yes | 1251 (56.7) | 165 (37.6) | 1416 (53.5) |  |
 Never/Usually no | 957 (43.3) | 274 (62.4) | 1231 (46.5) |  |
 | Median (IQR) | Median (IQR) | Median (IQR) | p-value |
Median age in years | 34.6 (30.3, 41.1) | 32.7 (28.9, 38.5) | 34.2 (30.1, 40.7) | < 0.001 |
Duration of injection drug use in years | 13.0 (6.0, 19.0) | 11.0 (6.0, 17.0) | 12.0 (6.0, 18.0) | 0.005 |