Table 1 Socio-demographic and drug consumption variables associated to self-reported HIV, from drug users in Catalonia, 2012
From: Cross sectional study of factors associated to self-reported blood-borne infections among drug users
Total | HIV positive | HIV negative | Bivariate analysisa | Multivariate analysisb | |
|---|---|---|---|---|---|
n = 512 | n = 76 (%) | n = 436 (%) | PR (95 % CI) | PR (95 % CI) | |
Age, median (IQR) | 39 [35–44] | 41 [37–45] | 36 [32–43] | 1 (1.02–1.06) | 1.007 (0.98–1.04) |
Sex | |||||
Men | 392 (76.56) | 54 (13.78) | 338 (86.22) | 1 | 1 |
Women | 120 (23.44) | 22 (18.33) | 98 (81.67) | 1.32 (0.84–2.08) | 1.96 (1.27–3.04) |
Country of birth | |||||
Spain | 462 (90.23) | 67 (14.50) | 395 (85.50) | 1 | |
Other countries | 48 (9.38) | 8 (16.67) | 40 (83.33) | 1.15 (0.59–2.26) | |
Unknown | 2 (0.39) | 1 (50) | 1 (50) | – | |
Current marital status | |||||
Single | 275 (53.71) | 46 (16.73) | 229 (83.27) | 1 | |
Married | 120 (23.44) | 18 (15) | 102 (85) | 0.89 (0.54–1.47) | |
Divorced | 89 (17.38) | 12 (13.48) | 77 (86.52) | 0.80 (0.44–1.44) | |
Unknown | 28 (5.47) | – | 28 (100) | – | |
Educational level | |||||
Primary education or less | 155 (30.27) | 28 (18.06) | 127 (81.94) | 1 | |
Secondary education | 203 (39.65) | 27 (13.30) | 176 (86.70) | 0.73 (0.45–1.19) | |
Undergraduate education | 154 (30.08) | 21 (13.64) | 133 (86.36) | 0.75 (0.45–1.26) | |
Current employment status | |||||
Current regular job | 111 (21.68) | 2 (1.80) | 109 (98.20) | 1 | 1 |
Unemployment | 277 (54.1) | 38 (13.72) | 239 (86.28) | 7.75 (1.9–31.59) | 5.00 (1.26–19.91) |
Disabled or retired | 99 (19.34) | 35 (35.35) | 64 (64.65) | 19.98 (4.93–80.94) | 8.92 (2.24–35.60) |
Others, including never has worked and worked at home | 25 (4.88) | 1 (4) | 24 (96) | 2.26 (0.21–23.96) | 1.71 (0.22–12.99) |
Number of years by injecting drug consumption | |||||
Non-injecting users | 286 (55.86) | 8 (2.80) | 278 (97.20) | 1 | 1 |
Injection for <6 years | 58 (11.33) | 10 (17.24) | 48 (82.76) | 6.19 (2.55–15.00) | 4.88 (2.08–11.46) |
Injection for 6 to 12 years | 27 (5.27) | 7 (25.93) | 20 (74.07) | 9.30 (3.65–23.68) | 7.73 (3.08–19.37) |
Injection 13 to 22 years | 68 (13.28) | 29 (42.65) | 39 (57.35) | 15.30 (7.32–31.96) | 12.10 (5.76–25.41) |
Injection for >22 years | 52 (10.16) | 18 (34.62) | 34 (65.38) | 12.42 (5.70–27.05) | 7.73 (3.08–19.37) |
Injection for unknown time | 21 (4.1) | 4 (19.05) | 17 (80.95) | 6.52 (2.13–19.98) | 4.30 (1.19–15.52) |
Years after starting drug use, median (IQR) | 8.5 [2.4–13.77] | 17 [4.80–22.75] | 0 [0–4.8] | 1.05 (1.03–1.08) | |
Period of onset of the 1st drug use | |||||
2001–2012 | 51 (9.96) | 3 (5.88) | 48 (94.12) | 1 | |
1991–2000 | 199 (38.87) | 15 (7.54) | 184 (92.46) | 1.28 (0.38–4.24) | |
1981–1990 | 195 (38.09) | 44 (22.56) | 151 (77.44) | 3.82 (1.24–11.79) | |
1953–1980 | 64 (12.5) | 13 (20.31) | 51 (79.69) | 3.45 (1.04–11.47) | |
Unknown period | 3 (0.59) | 1 (33.33) | 2 (66.67) | 5.67 (0.81–39.46) | |
Heroin use | |||||
No | 216 (42.19) | 5 (2.31) | 211 (97.69) | 1 | |
Yes | 296 (57.81) | 71 (23.99) | 225 (76.01) | 10.46 (4.30–25.46) | |
Prison History | |||||
No | 393 (76.56) | 45 (11.45) | 348 (88.55) | 1 | |
Yes | 119 (23.24) | 31 (26.05) | 88 (73.95) | 3.52 (1.95–6.37) |