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) |