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. 2021 Nov 1;12:6266. doi: 10.1038/s41467-021-26558-4

Table 1.

Prior distributions and posterior estimates with 95% credible intervals of all calibrated epidemiological model parameters.

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