From: Mortality from motorcycle crashes: the baby-boomer cohort effect
Males | Females | |||
---|---|---|---|---|
Birth cohort | Rate ratio | 95 % CIa | Rate ratio | 95 % CIa |
1895–1899 | 0.67 | 0.30, 1.49 | 1.24 | 0.37, 4.17 |
1900–1904 | 0.95 | 0.53, 1.72 | 1.46 | 0.59, 3.61 |
1905–1909 | 1.01 | 0.61, 1.69 | 0.39* | 0.18, 0.85 |
1910–1914 | 0.69 | 0.43, 1.09 | 0.78 | 0.39, 1.57 |
1915–1919 | 0.90 | 0.59, 1.38 | 1.11 | 0.58, 2.12 |
1920–1924 | 0.91 | 0.61, 1.36 | 0.93 | 0.50, 1.73 |
1925–1929 | 0.77 | 0.52, 1.14 | 1.14 | 0.63, 2.06 |
1930–1934 | 1.00 | Reference | 1.00 | Reference |
1935–1939 | 1.14 | 0.78, 1.65 | 1.54 | 0.87, 2.72 |
1940–1944 | 1.27 | 0.87, 1.85 | 1.54 | 0.87, 2.72 |
1945–1949 | 1.44 | 0.99, 2.10 | 1.61 | 0.91, 2.85 |
1950–1954 | 1.49* | 1.03, 2.17 | 1.65 | 0.93, 2.92 |
1955–1959 | 1.49* | 1.02, 2.16 | 1.91* | 1.08, 3.38 |
1960–1964 | 1.48* | 1.02, 2.15 | 1.94* | 1.10, 3.44 |
1965–1969 | 1.18 | 0.80, 1.74 | 1.53 | 0.85, 2.76 |
1970–1974 | 0.98 | 0.66, 1.47 | 1.03 | 0.56, 1.91 |
1975–1979 | 0.73 | 0.47, 1.11 | 0.63 | 0.33, 1.22 |
1980–1984 | 0.49* | 0.31, 0.77 | 0.44* | 0.22, 0.88 |
1985–1989 | 0.41* | 0.25, 0.68 | 0.31* | 0.14, 0.67 |
1990–1994 | 0.29* | 0.16, 0.52 | 0.28* | 0.11, 0.68 |
1995–1999 | 0.18* | 0.08, 0.39 | 0.14* | 0.04, 0.48 |