Table 1 Logistic risk scores for hepatitis C antibody positive status in saliva (n = 98 female street sex-workers)
Determinant | Total | Hepatitis C antibodies in saliva | Odds Ratio (95% confidence interval)‡ | ||
|---|---|---|---|---|---|
N (%) | n (% of N) | Univariate | Multifactorial | ||
Study group | 98 (100%) | 63 (64%) | |||
Age (years) (3 non-responses) | 16–20 | 18 (19%) | 7 (39%) | ||
21–25 | 34 (36%) | 21 (62%) | 1.08 (0.99–1.17) | NS | |
26–30 | 29 (31%) | 25 (86%) | |||
> 30 | 14 (15%) | 9 (64%) | |||
Time since began prostitution (years) (2 non-responses) | ≤ 1 | 40 (42%) | 23 (58%) | 1.00 (Baseline) | |
2–5 | 32 (33%) | 22 (69%) | 1.63 (0.61–4.31) | NS | |
> 5 | 24 (25%) | 17 (71%) | 1.80 (0.61–5.29) | ||
Time since onset of injecting drug use (years) (2 non-responses) | Never injected | 7 (7%) | 1 (14%) | ||
< 2 | 30 (31%) | 15 (50%) | |||
2–5 | 27 (28%) | 18 (67%) | 1.20 (1.06–1.35)* | NS | |
6–10 | 19 (20%) | 16 (84%) | |||
> 10 | 13 (14%) | 12 (92%) | |||
Ever shared needles for injecting (4 non-responses) | Yes | 47 (50%) | 40 (85%) | 6.31 (2.31–17.29) | 5.75 (2.01–16.46) |
No | 40 (43%) | 19 (48%) | 1.00 (Baseline) | 1.00 (Baseline) | |
Never injected | 7 (7%) | 1 (14%) | 0.18 (0.02–1.63) | 0.26 (0.03–2.48) | |
Ever received help for drug problems (3 non-responses) | Yes | 68 (72%) | 49 (72%) | 3.22 (1.28–8.13) | NS |
No | 27 (28%) | 12 (44%) | 1.00 (Baseline) | ||
Number of times in prison (16 non-responses) | None | 33 (40%) | 16 (49%) | 1.00 (Baseline) | 1.00 (Baseline) |
1–5 times | 26 (32%) | 14 (54%) | 1.24 (0.44–3.47) | 1.27 (0.39–4.14) | |
> 5 times | 23 (28%) | 21 (91%) | 11.16 (2.26–55.16) | 7.30 (1.35–39.46) | |