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Table 4 Parameters affecting the abundance of Laelaps agilis mites 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) 0.00 0.00–0.01 < 0.001*
Host species
 Myodes glareolus Reference   
 Apodemus flavicollis 121.95 49.45–300.74 < 0.001*
Trapping location
 Recreational area Reference   
 Forest 1.57 0.82–2.99 0.173
Season
 Autumn/Winter Reference   
 Spring 0.23 0.08–0.64 0.005*
 Summer 0.79 0.39–1.61 0.524
Polyparasitism 3.07 2.22–4.25 < 0.001*
Factors affecting mean intensity
Predictors IRR 95% CI P value
 (Intercept) 0.62 0.30–1.28 0.200
Host species
 Myodes glareolus Reference   
 Apodemus flavicollis 5.15 1.60–16.62 0.006*
Trapping location
 Recreational area Reference   
 Forest 2.18 1.22–3.92 0.009*
Host sex
 Female Reference   
 Male 1.76 1.06–2.93 0.029*
Season
 Autumn/Winter Reference   
 Spring 1.54 0.55–4.34 0.411
 Summer 1.82 0.95–3.50 0.070
  1. IRR, Incidence rate ratio; OR, odds ratio
  2. *Significant effect at P ≤ 0.05