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Independent risk factors associated with seroprevalence of anti-Hepatitis C among Antananarivo inhabitants identified by multiple logistic regression, Antananarivo, 2004.
| Risk factor | Adjusted odds ratio | 95% confidence interval (CI) | P value |
| Age | |||
| 0 – 24 | 1.0 | (1.3 – 85.3) | 0.02 |
| 25 – 44 | 10.4 | (3.6 – 220.5) | <10-2 |
| 44 – 64 | 28.1 | (10.3 – 697.7) | <10-2 |
| 65 & more | 84.7 | ||
| Aminotransferase (AST) | |||
| Normal | 1.0 | ||
| Abnormal | 4.4 | (1.8 – 10.3) | <10-2 |
