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Table 5 Coefficients of the generalized linear model and potential risk factors for infection intensity (tachyzoites equivalent per gram of tissues; log transformed) of Toxoplasma gondii in foxes (Vulpes spp.) in Canada

From: Are foxes (Vulpes spp.) good sentinel species for Toxoplasma gondii in northern Canada?

Variables

β (SE)

95% Wald confidence interval

Hypothesis test

  

Lower

Upper

Wald-chi-Square

df

p-value

First model

      

Species, Arctic fox

0.228 (0.3744)

− 0.506

0.962

0.371

1

0.542

Sex, male

0.209 (0.2568)

− 0.294

0.713

0.664

1

0.415

BCI, low

0.113 (0.3259)

− 0.526

0.751

0.119

1

0.730

BCI, medium

0.581 (0.3327)

− 0.071

1.233

3.046

1

0.081

Latitude

0.020 (0.0302)

− 0.039

0.079

0.448

1

0.503

Age, young

0.384 (0.3200)

− 0.244

1.011

1.438

1

0.231

Age, mature

0.320 (0.3377)

− 0.342

0.982

0.898

1

0.343

Final model

      

BCI^lat, low BCI

0.033 (0.0212)

− 0.008

0.075

2.478

1

0.115

BCI^lat, medium BCI

0.042 (0.0207)

0.002

0.083

4.152

1

0.042*

BCI^lat, high BCI

0.030 (0.0216)

− 0.013

0.072

1.895

1

0.169

  1. BCI body condition index, β estimate coefficient, SE standard error, df degree of freedom, BCI^lat interaction term
  2. *Statistically significant at p < 0.05