Background
Methods
Statistical analysis
Results
Drug and condom usage
Associations with testing positive for HIV and other STIs
Msm
HIV seroconversion n = 73 n (%) | HIV negative n = 1456 n (%) | Odds ratio (95% CI) | Adjusted Odds ratio (95% CI) | |
---|---|---|---|---|
Age—Median, years (IQR) | 37 (31–46) | 34 (28–43) | 1.0 (1.0–1.0) | 1.0 (1.0–1.0) |
World region | ** | * | ||
West Europe | 48 (65.8) | 1185 (81.4) | Ref | Ref |
Sub Saharan Africa | 3 (4.1) | 47 (3.2) | 1.6 (0.5–5.2) | 2.0 (0.6–6.7) |
Rest | 22 (30.1) | 224 (15.4) | 2.4 (1.4–4.1) | 2.2 (1.2–3.8) |
Education | * | |||
Secondary or less | 38 (52.1) | 529 (36.3) | Ref | Ref |
Tertiary | 35 (48.0) | 927 (63.7) | 0.5 (0.3–0.8) | 0.6 (0.4–1.0) |
Partners in last 12 months (n) | ** | |||
0–1 | 3 (4.1) | 209 (14.4) | Ref | |
2–4 | 17 (23.3) | 604 (41.5) | 2.0 (0.6–6.8) | NE |
≥ 5 | 38 (52.1) | 481(33.0) | 5.5 (1.7–18.0) | NE |
Missing | 15(20.6) | 162 (11.1) | 6.5 (1.8–22.7) | NE |
Condom usage | * | |||
Always | 14 (19.2) | 316 (21.7) | Ref | |
Sometimes | 38 (52.1) | 788 (54.1) | 1.1 (0.6–2.0) | NE |
Never | 3 (4.1) | 151 (10.4) | 0.4 (0.1–1.6) | NE |
Missing | 18 (24.7) | 201 (13.8) | 2.0 (1.0–4.2) | NE |
Unprotected sex under influence of: a | ||||
Alcohol | ** | |||
No | 22 (30.1) | 779 (53.5) | Ref | |
Yes | 27 (37.0) | 474 (32.6) | 2.0 (1.1–3.6) | NE |
Missing | 24 (32.9) | 203 (13.9) | 4.2 (2.3–7.6) | NE |
Ecstasy/cocaine/amphetamines/GHB | ** | ** | ||
No | 27 (37.0) | 1111 (76.3) | Ref | Ref |
Yes | 22 (30.1) | 142 (9.8) | 6.4 (3.5–11.5) | 5.7 (3.2–10.4) |
Missing | 24 (32.9) | 203 (13.9) | 4.9 (2.8–8.6) | 2.9 (1.6–5.1) |
Marijuana | ** | |||
No | 43 (58.9) | 1125 (77.3) | Ref | |
Yes | 6 (8.2) | 128 (8.8) | 1.2 (0.5–2.9) | NE |
Missing | 24 (32.9) | 203 (13.9) | 3.1 (1.8–5.2) | NE |
Use of drugs: b | ||||
Alcohol | ** | |||
No | 7 (9.6) | 315 (21.6) | Ref | |
Yes | 31 (42.5) | 706 (48.5) | 2.0 (0.9–4.5) | NE |
Missing | 35 (48.0) | 435 (29.9) | 3.6 (1.6–8.3) | NE |
Ecstasy/cocaine/amphetamines/GHB | ** | |||
No | 19 (26.0) | 885 (60.8) | Ref | |
Yes | 24 (32.9) | 186 (12.8) | 6.0 (3.2–11.2) | NE |
Missing | 30 (41.1) | 385 (26.4) | 3.6 (2.0–6.5) | NE |
Marijuana | * | |||
No | 24 (32.9) | 712 (48.9) | Ref | |
Yes | 10 (13.7) | 204 (14.0) | 1.5 (0.7–3.1) | NE |
Missing | 39 (53.4) | 540 (37.1) | 2.1 (1.3–3.6) | NE |