Table 1 Statistical output of the censored Tobit regression model with mixed effects, fitting virus decay as a function of protease activity measured by different assays and their interaction with virus type.

From: Bacterial matrix metalloproteases and serine proteases contribute to the extra-host inactivation of enteroviruses in lake water

     

Likelihood-ratio test

Variables

Estimate

Std. error (CI 95%)

p-value

X2

p-value

Intercept

−0.868

0.043

<2.00E-16

  

Virus factor

−0.241

0.064

1.00E-04

  

Casein hydrolysis

sqrt(cas) main effect

−0.073

0.023

0.001

  

sqrt(cas) interaction

0.002

0.029

0.945

0.004

0.951

Gelatin hydrolysis

sqrt(gel) main effect

−0.126

0.022

9.31e-09

  

sqrt(gel) interaction

−0.005

0.029

0.861

0.030

0.863

General protease activity kit

sqrt(pgen) main effect

−0.001

2.00E-04

0.002

  

sqrt(pgen) interaction

0.002

3.00E-04

1.36E-06

10.043

0.002

MMP activity kit

sqrt(mmp) main effect

−0.011

0.001

<2.00E-16

  

sqrt(mmp) interaction

0.011

0.001

<2.00E-16

21.151

4.24e-06

Error term

−0.190

0.019

<2.00E-16

  

αidi

−0.983

0.019

<2.00E-16