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Table 1 Parameter estimates for the model fitted to data from 25 January to 22 August 2021

From: Estimating the risk of SARS-CoV-2 infection in New Zealand border arrivals

Fitted model parametersa

Derived parameters

Parameter

Estimate

Std. error

Parameter

Estimate

Std. error

\(\alpha\)

− 1.1648

0.9706

\(\alpha\)

− 1.1648

0.9706

\(\beta _0\)

0.2373

0.3080

\(\beta _{\text {ave}}\)

0.4441

0.1108

\(\beta _1\)

0.0858

0.4038

\(\beta _{1-0}\)

0.0892

0.3013

\(\beta _2\)

0.1210

0.2948

\(\beta _{2-1}\)

0.0270

0.2905

\(\log (\sigma _u)\)

− 0.2927

0.3591

\(\sigma _u\)

0.7462

0.2680

\(\log (\sigma _e)\)

0.3314

0.1275

\(\sigma _e\)

1.3929

0.1776

\(\theta =\rho /\sqrt{(1-\rho ^2)}\)

0.7845

0.2266

\(\rho\)

0.6172

0.1104

  1. aThe estimates on the left are returned by the fitting routine, and those on the right are useful transformations of those estimates. Standard errors are calculated using the delta method