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Table 2 Final zero-inflated negative binomial model of the effects of temperature (T), infestation pressure (IP) and their interaction on NliceA (data set 1)

From: Parasitic sea louse infestations on wild sea trout: separating the roles of fish farms and temperature

 

Coefficient

SE

P > Z

95% CI

Negative binomial portion of model

T

-0.166

0.093

0.073

-0.348–0.016

IP

0.909

0.105

0.0001

0.703–1.114

T*IP interaction

0.803

0.096

0.0001

0.614–0.991

IP2

-0.545

0.087

0.0001

-0.716– -0.374

 Intercept

2.960

0.079

0.0001

2.805–3.115

 Alpha

1.074

0.111

 

0.877–1.315

Logistic (inflation) portion of model

IP

-1.016

0.195

0.0001

-1.398– -0.634

 Intercept

-2.006

0.239

0.0001

-2.473– -1.538

  1. Abbreviations: CI confidence interval, SE standard error