Table 3: Estimated rate ratio (RR) and 95% confidence intervals (CI) for the effect of birth group on reported rates of hepatitis C virus in males and females | Birth group | RR (95% CI) |
|---|
| Males | Females |
|---|
| 1921–1925 | 0.85 (0.80 to 0.91) | 0.94 (0.86 to 1.02) |
| 1926–1930 | 0.87 (0.84 to 0.90) | 1.00 (0.93 to 1.07) |
| 1931–1935 | 0.88 (0.87 to 0.89) | 0.99 (0.96 to 1.03) |
| 1936–1940 | 0.91 (0.88 to 0.93) | 1.04 (1.01 to 1.06) |
| 1941–1945 | 1 (Reference) | 1 (Reference) |
| 1946–1950 | 1.21 (1.18 to 1.23) | 1.12 (1.07 to 1.16) |
| 1951–1955 | 1.40 (1.35 to 1.45) | 1.34 (1.26 to 1.42) |
| 1956–1960 | 1.39 (1.34 to 1.44) | 1.43 (1.32 to 1.53) |
| 1961–1965 | 1.34 (1.29 to 1.39) | 1.38 (1.29 to 1.47) |
| 1966–1970 | 1.27 (1.20 to 1.34) | 1.34 (1.29 to 1.39) |
| 1971–1975 | 1.11 (0.94 to 1.27) | 1.23 (1.16 to 1.29) |
| 1976–1980 | 0.90 (0.55 to 1.25) | 1.05 (0.77 to 1.32) |
| 1981–1985 | 0.63 (0.18 to 1.07) | 0.81 (0.30 to 1.32) |
| 1986–1990 | 0.34 (–0.01 to 0.69) | 0.44 (–0.12 to 1.01) |