Random-effects meta-analysis pooled sex ratios for indicators of alcohol-related harms within 5-year birth cohorts
| Birth cohort | Number of individual sex ratio estimates | Number of citations* | Number of countries | Random-effects pooled sex ratio (95% CI) |
|---|---|---|---|---|
| 1891–1910 | 0 | – | – | – |
| 1911–1915 | 3 | 2 | 9 | 3.6 (0.4 to 30.4) |
| 1916–1920 | 3 | 4 | 9 | 3.6 (0.4 to 30.4) |
| 1921–1925 | 4 | 4 | 12 | 3.8 (0.8 to 18.1) |
| 1926–1930 | 6 | 5 | 12 | 4.1 (1.4 to 11.8) |
| 1931–1935 | 7 | 8 | 14 | 2.4 (1.6 to 3.6) |
| 1936–1940 | 11 | 8 | 15 | 2.2 (1.6 to 2.9) |
| 1941–1945 | 12 | 10 | 16 | 2.1 (1.6 to 2.8) |
| 1946–1950 | 16 | 10 | 18 | 2.6 (1.8 to 3.6) |
| 1951–1955 | 17 | 10 | 18 | 2.2 (1.6 to 2.9) |
| 1956–1960 | 17 | 10 | 18 | 2.1 (1.6 to 2.9) |
| 1961–1965 | 16 | 10 | 17 | 2.2 (1.6 to 2.9) |
| 1966–1970 | 16 | 10 | 18 | 2.0 (1.6 to 2.7) |
| 1971–1975 | 22 | 13 | 20 | 2.1 (1.7 to 2.7) |
| 1976–1980 | 21 | 14 | 21 | 1.8 (1.5 to 2.1) |
| 1981–1985 | 64 | 13 | 35 | 1.5 (1.3 to 1.6) |
| 1986–1990 | 27 | 5 | 30 | 1.3 (1.2 to 1.4) |
| 1991–2000 | 51 | 4 | 27 | 1.3 (1.2 to 1.3) |
*Represents the number of citations from which the individual estimates were extracted. Some citations reported results from separate repeated cross-sectional surveys, or separate surveys conducted in a number of different countries.