Change in age-standardised incidence rate over time, 1956–2016, overall and by sex
| Count/pop | Crude incidence rate/100 000 PY | Ratio (95% CI) | Age-standardised incidence rate/100 000 PY | Ratio (95% CI) | |
| All persons | |||||
| 1951–1959 | 21/95–206 | 2.2 | 1.00 (Reference) | 2.2 | 1.00 (Reference) |
| 1971–1979 | 57/162–063 | 3.5 | 1.59 (0.97 to 2.63) | 3.6 | 1.62 (0.94 to 2.79) |
| 2001–2009 | 56/205–566 | 3.7 | 1.67 (1.01 to 2.76) | 3.7 | 1.67 (0.94 to 2.96) |
| 2009–2019 | 130/221–230 | 5.9 | 2.66 (1.68 to 4.22) | 6.1 | 2.75 (1.67 to 4.54) |
| Per year trend | 1.41% (0.78 to 2.30) | 1.46% (0.71 to 2.22) | |||
| Male | |||||
| 1951–1959 | 10/46–544 | 2.2 | 1.00 (Reference) | 2.2 | 1.00 (Reference) |
| 1971–1979 | 26/79–954 | 3.3 | 1.51 (0.73 to 3.14) | 3.4 | 1.57 (0.71 to 3.47) |
| 2001–2009 | 18/99–847 | 2.4 | 1.13 (0.52 to 2.46) | 2.4 | 1.11 (0.44 to 2.80) |
| 2009–2019 | 33/107–338 | 3.1 | 1.41 (0.71 to 2.90) | 3.1 | 1.42 (0.63 to 3.19) |
| Per year trend | 0.20% (−0.77 to 1.17) | 0.26% (−0.94 to 1.47) | |||
| Females | |||||
| 1951–1959 | 11/48–662 | 2.3 | 1.00 (Reference) | 2.3 | 1.00 (Reference) |
| 1971–1979 | 31/82–109 | 3.8 | 1.67 (0.84 to 3.32) | 3.8 | 1.69 (0.80 to 3.56) |
| 2001–2009 | 38/105–719 | 4.9 | 2.15 (1.10 to 4.20) | 4.9 | 2.17 (1.02 to 4.61) |
| 2009–2019 | 97/113–892 | 8.5 | 3.77 (2.02 to 7.03) | 9 | 3.97 (2.05 to 7.69) |
| Per year trend | 2.12% (1.29 to 2.96) | 2.17% (1.18 to 3.18) | |||
Age-adjusted and sex-adjusted rate ratios and 95% CI estimated by Poisson regression. Incidence rates age standardised to the 1954 Greater Hobart population. Results in boldface denote statistical significance (p<0.05).