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Table 5 Parameters affecting the abundance of Ctenophthalmus agyrtes fleas on small mammals in Germany with factors influencing the prevalence and the mean intensity

From: Host–parasite interactions of rodent hosts and ectoparasite communities from different habitats in Germany

Factors affecting prevalence

Predictors

OR

95% CI

P value

(Intercept)

0.05

0.02–0.09

< 0.001*

Host species

 

 Myodes glareolus

Reference

  

 Apodemus flavicollis

0.35

0.22–0.55

< 0.001*

Host sex

 

 Male

Reference

  

 Female

0.61

0.42–0.90

0.012*

Season

   

 Autumn/Winter

Reference

  

 Spring

1.64

0.90–3.02

0.108

 Summer

1.82

1.12–2.94

0.015*

Polyparasitism

6.74

5.08–8.94

< 0.001*

Factors affecting mean intensity

Predictors

IRR

95% CI

P value

(Intercept)

0.23

0.10–0.56

0.001*

Trapping location

 

 Recreational area

Reference

  

 Forest

1.58

1.11–2.25

0.011*

Host sex

 

 Male

Reference

  

 Female

0.72

0.51–1.02

0.064

Season

 

 Autumn/winter

Reference

  

 Spring

1.74

0.91–3.34

0.094

 Summer

2.76

1.68–4.52

< 0.001*

Polyparasitism

1.19

0.98–1.44

0.077

  1. IRR, Incidence rate ratio; OR, odds ratio
  2. *Significant effect at P ≤ 0.05