Table 1.
Sociodemographic Characteristics of People Who Inject Drugs (N = 320) and Were Recruited in the Transmission Reduction Intervention Project in Athens, Greece, 2013–2015
| Sociodemographic characteristics | Total | RS | Control seeds with long-term HIV infection (LCS) | Network of RS | Network of LCS | HIV negative controls | p |
|---|---|---|---|---|---|---|---|
| Total, N (%) | 320 (100) | 22 (6.9) | 19 (5.9) | 141 (44.1) | 59 (18.4) | 79 (24.7) | — |
| Gender, n (%) | |||||||
| Males | 257 (80.3) | 17 (77.3) | 16 (84.2) | 115 (81.6) | 46 (78.0) | 63 (79.8) | .96 |
| Females | 63 (19.7) | 5 (22.7) | 3 (15.8) | 26 (18.4) | 13 (22.0) | 16 (20.2) | |
| Median age, years (IQR) | 34 (30–40) | 36 (30–43) | 36 (32–40) | 35 (30–40) | 33 (30–36) | 34 (31–45) | .11 |
| Nationality, n (%) | |||||||
| Greek | 291 (90.9) | 21 (95.4) | 17 (89.5) | 122 (86.5) | 53 (89.8) | 78 (98.7) | .04 |
| Non-Greek | 29 (9.1) | 1 (4.6) | 2 (10.5) | 19 (13.5) | 6 (10.2) | 1 (1.3) | |
| Residents of Athens (since birth), n (%) | |||||||
| Permanent | 183 (57.2) | 11 (50.0) | 12 (63.2) | 76 (53.9) | 29 (49.2) | 55 (69.6) | .10 |
| Nonpermanent | 137 (42.8) | 11 (50.0) | 7 (36.8) | 65 (46.1) | 30 (50.8) | 24 (30.4) | |
| Education level, N (%) | |||||||
| Up to high school | 282 (88.1) | 20 (90.9) | 16 (84.2) | 125 (88.6) | 51 (86.4) | 70 (88.6) | .96 |
| Above high school | 38 (11.9) | 2 (9.1) | 3 (15.8) | 16 (11.4) | 8 (13.6) | 9 (11.4) | |
| Accommodation status in past 6 months, N (%) | |||||||
| Nonhomeless | 246 (76.9) | 17 (77.3) | 15 (79.0) | 101 (71.6) | 39 (66.1) | 74 (93.7) | <.01 |
| Homeless | 74 (23.1) | 5 (22.7) | 4 (21.0) | 40 (28.4) | 20 (33.9) | 5 (6.3) | |
| Employment, N (%) | |||||||
| Employed | 49 (15.3) | 4 (18.2) | 4 (21.0) | 17 (12.1) | 8 (13.6) | 16 (20.2) | .49 |
| Unemployed/unable to work | 271 (84.7) | 18 (81.8) | 15 (79.0) | 124 (87.9) | 51 (86.4) | 63 (79.8) | |
| HIV status, n (%) | |||||||
| HIV negative | 178 (55.6) | 0 | 0 | 77 (54.6) | 22 (37.3) | 79 (100) | <.01 |
| HIV positive | 142 (44.4) | 22 (100) | 19 (100) | 64 (45.4) | 37 (62.7) | 0 | |
| Duration of injection, years (IQR)a | 13 (7–18) | 12.5 (3–19) | 12 (7–16) | 12 (6–17.5) | 13 (7–15) | 14.5 (8–20) | .26 |
| Drug/alcohol treatment status at enrollment in TRIP, n (%) | |||||||
| Not on treatment | 194 (60.6) | 14 (63.6) | 13 (68.4) | 89 (63.1) | 37 (62.7) | 41 (51.9) | .47 |
| On treatment | 126 (39.4) | 8 (36.4) | 6 (31.6) | 52 (36.9) | 22 (37.3) | 38 (48.1) | |
| Sexual orientation, n (%)b | |||||||
| Homosexual | 8 (2.5) | 1 (4.6) | 1 (5.3) | 3 (2.1) | 1 (1.7) | 2 (2.5) | .88 |
| Heterosexual | 311 (97.5) | 21 (95.4) | 18 (94.7) | 137 (97.9) | 58 (98.3) | 77 (97.5) | |
| Sex workers, n (%) | |||||||
| Malesc | 8 (3.1) | 1 (5.9) | 0 (0.0) | 2 (1.7) | 3 (6.5) | 2 (3.2) | .49 |
| Femalesd | 23 (35.9) | 0 (0.0) | 2 (66.7) | 12 (46.2) | 8 (61.5) | 1 (5.9) | <.01 |
| Total | 31 (9.7) | 1 (4.6) | 2 (10.5) | 14 (9.9) | 11 (18.6) | 3 (3.8) | .06 |
Bold font indicates statistical significance (p < 0.05).
a
n = 317.
b
n = 319.
c
n = 257 (cis males).
d
n = 64 (cis females and a trans female).
IQR, interquartile range; LCS, long-term control seeds; RS, recent seeds; TRIP, Transmission Reduction Intervention Project.