Count model coefficients (poisson with log link):

Estimate

Std. Error

z value

p-value

Intercept

0.7160

0.5738

1.248

0.21210

EID Testing Point

2 - 9 months

0.6228

0.2085

2.986

0.00282**

9 - 12 months

0.1734

0.2831

0.612

0.54027

12 - 24 months

−0.0601

0.3569

−0.168

0.86628

Above 24 months

0.2580

0.2530

1.019

0.30798

PCR Type

Confirmatory PCR

−2.8241

1.1495

−2.457

0.01402*

2nd/3rd PCR

0.3652

0.5440

0.671

0.50204

Zero-inflation model coefficients

(binomial with logit link):

Estimate

Std. Error

z value

p-value

(Intercept)

3.9251

0.7719

5.085

3.68e−07***

EID Testing Point

2 - 9 months

−0.7319

0.4359

−1.679

0.09311 .

9 - 12 months

0.1948

0.5275

0.369

0.71198

12 - 24 months

0.2892

0.5635

0.513

0.60772

Above 24 months

-0.2998

0.4730

−0.634

0.52621

PCR Type

Confirmatory PCR

−10.5797

82.6014

−0.128

0.89808

2nd/3rd PCR

−2.0356

0.7455

−2.731

0.00632**