From: A multicentre interventional study to assess blood-borne viral infections in Belgian prisons
Univariate | Multivariate | |||||
---|---|---|---|---|---|---|
Characteristics | n (%) | P-value | OR (95% CI) | P-value | AOR (95%CI) | |
Birth year (mean ± IQR) | 1981 ± 1974–1990 | 0.161 | 1.0 (1.0–1.0) | |||
Gender | Male | 825 (93.1) | ref | |||
Female | 61 (6.9) | 0.487 | 0.6 (0.1–2.1) | |||
Site of inclusion | Pre-trial detention | 229 (33.7) | 0.552 | 1.3 (0.5–3.8) | ||
Long term detention | 587 (66.3) | ref | ||||
Country of birth | Belgium | 612 (69.1) | ref | |||
Other | 271 (30.6) | 0.022 | 0.4 (0.1–0.8) | |||
Low-moderate HCV prevalence | 224 (82.7) | |||||
Moderate-high HCV prevalence | 47 (17.3) | |||||
Missing | 3 (0.3) | |||||
Incarcerated before | Yes | 566 (63.9) | 0.004 | 3.4 (1.6–8.4) | ||
No | 316 (35.7) | ref | ||||
Missing | 4 (0.5) | – | – | |||
Ever lived together with a person having HCV/HBV/HIV | Yes | 52 (5.9) | < 0.001 | 11.7 (5.5–24.4) | 0.011 | 5.6 (1.5–22.4) |
No | 834 (94.1) | ref | ref | |||
Sexual preference | Heterosexual | 826 (93.2) | ref | |||
Homosexual | 18 (2.0) | 0.971 | 1.0 (0.1–5.5) | |||
Bisexual | 26 (2.9) | 0.472 | 1.7 (0.3–6.4) | |||
Missing | 16 (1.8) | – | – | |||
Number of partners with whom there have ever been unsafe sexual contacts (n = 611) | 1–4 | 265 (43.4) | ref | ref | ref | |
5–9 | 129 (21.1) | 0.563 | 1.4 (0.4–4.4) | 0.440 | 2.0 (0.3–12.4) | |
> 10 | 217 (35.5) | 0.017 | 3.0 (1.3–7.5) | 0.031 | 4.6 (1.3–21.8) | |
Tattoo | None | 450 (50.8) | ref | |||
Safe | 237 (26.7) | 0.038 | 2.3 (1.0–5.3) | |||
Potentially non-sterile | 199 (22.5) | 0.003 | 4.1 (1.9–9.0) | |||
Age first drug use non-IDU (mean ± IQR) | 17.5 ± 14–18 | 0.556 | 1.0 (0.9–1.0) | |||
Used drugs last 6 m (n = 633) | Yes | 435 (68.7) | 0.113 | 1.9 (0.9–4.3) | ||
No | 198 (31.3) | ref | ||||
Frequency use (n = 435) | Less than once a week | 132 (30.3) | ref | |||
More than once a week | 169 (38.9) | 0.555 | 0.8 (0.3–1.9) | |||
Daily | 133 (30.6) | 0.991 | 1.0 (0.4–2.4) | |||
Missing | 1 (0.2) | |||||
Used heroin last 6 months | Yes | 44 (10.6) | < 0.001 | 11.0 (4.9–26.4) | < 0.001 | 9.3 (2.6–37.6) |
No | 370 (89.4) | ref | ref | |||
Ever IDU (n = 633) | Yes | 129 (20.4) | < 0.001 | 38.0 (15.9–107.2) | < 0.001 | 24.6 (5.5–215.2) |
No | 503 (79.5) | ref | ref | |||
Missing | 1 (0.1) | – | – | |||
Ever shared materials for IDU (n = 129) | Yes | 54 (41.9) | < 0.001 | 56.3 (22.5–170.1) | ||
No | 75 (58.1) | ref | ||||
Frequency IDU last 6 m (n = 129) | Never | 98 (76.0) | ref | |||
Less than once a week | 9 (7.0) | 0.001 | 13.4 (2.5–62.2) | |||
More than once a week | 10 (7.8) | 0.024 | 6.9 (1.0–34.0) | |||
Daily | 12 (9.2) | < 0.001 | 53.8 (14.1–251.2) |