Table 2. Risk factors for Hepatitis C Virus (HCV) infection in multivariate analysis.
| Adjusted odds ratio (95% CI) | |
| Age | |
| 50–59 | 1.00 |
| 60–69 | 1.67 (0.91–3.06) |
| ≥70 | 3.47 (1.89–6.39)a |
| Ethnic group | |
| Mandinka, Fula or others | 1.00 |
| Papel, Mancanha, Balanta or Mandjako | 2.45 (1.32–4.53)b |
| Region of origin | |
| Bafata-Gabu | 1.00 |
| Biombo-Cacheu-Oio | 4.16 (1.18–14.73)b |
| Quinara-Tombali-Bolama | 1.77 (0.46–6.76) |
| Bissau | 1.95 (0.51–7.54) |
| Outside Guinea-Bissau | 0.00 |
| Ever bought/sold sex | |
| No | 1.00 |
| Yes | 3.60 (1.88–6.89)a |
a
p≤0.001
b
p≤0.05
NOTE. Adjusted odds ratios and their 95% confidence intervals (CI) were calculated with Stata 8.0.