Table 1.
Parameter (units) | Prior distribution | 2.5th centile | Median | 97.5th centile |
---|---|---|---|---|
Unadjusted risk of transmission per contact |
Uniform, support: [0.04, 0.07] |
0.0413 | 0.0463 | 0.0602 |
Incubation period (days) |
Truncated normal, mean: 5.5, standard deviation: 0.97 support: [1, infinity) |
4.35 | 6.06 | 7.62 |
Duration of active disease (days) |
Truncated normal, mean: 6.5, standard deviation: 0.77 support: [4, infinity) |
5.23 | 6.47 | 7.86 |
Pre-ICU period (days) |
Truncated normal, mean: 12.7, standard deviation: 4 support: [4, infinity) |
6.72 | 13.0 | 20.0 |
Infection fatality rate for ≥75 age group |
Uniform, support: [0.05, 0.3] |
0.071 | 0.189 | 0.289 |
Hospitalisation rate adjuster |
Uniform, support: [0.5, 5] |
1.27 | 3.02 | 4.73 |
Infectiousness of asymptomatic persons multiplier |
Uniform, support: [0.2, 0.8] |
0.227 | 0.509 | 0.762 |
Starting infectious population (persons) |
Uniform, support: [20, 70] |
21.6 | 37.3 | 66.6 |
Case detection rate at one test per 1,000 per day (proportion) |
Uniform, support: [0.05, 0.3] |
0.081 | 0.179 | 0.285 |
Proportion of contacts identified at prevalence of one case per 1,000 population |
Uniform, support: [0.2, 0.5] |
0.209 | 0.341 | 0.487 |
Inter-service mixing (%) |
Uniform, support: [0.005, 0.05] |
0.00591 | 0.0217 | 0.0471 |
Effect of physical distancing |
Uniform, support: [0, 0.6] |
0.072 | 0.374 | 0.564 |
Effect of face coverings |
Uniform, support: [0, 0.6] |
0.329 | 0.459 | 0.556 |
Reduction in the effect of home contacts |
Uniform, support: [0, 0.4] |
0.0147 | 0.206 | 0.389 |
Service-specific contact rate multipliers | ||||
North Metro and West Metro |
Truncated normal, mean: 1, standard deviation: 0.5, support: [0.5, infinity) |
0.96 | 1.25 | 1.63 |
South Metro and South East Metro | 0.70 | 1.01 | 1.34 | |
Barwon South West | 0.58 | 0.95 | 1.41 | |
Other regional services | 0.53 | 0.71 | 1.01 |