Table 3

- Model estimates (B coefficient and its associated standard error [SE]), Wald chi-square statistic values, and P values for final generalized linear models (negative binomial probability distribution and logarithmic link function) of Ixodes ricinus abundancea

Tick stageVariableB coefficientSEWald χ2 valueP value
LarvaIntercept−1,394.0389.512.8<0.001
Lo4.6 × 10−56.3 × 10−652.1<0.001
T0.80.220.3<0.001
Fd−0.23.0 × 10−229.7<0.001
La0.1 × 10−48.1 × 10−512.3<0.001
Hab8.84.14.6<0.05
NymphIntercept−33.19.611.9<0.01
ETa−0.15.2 × 10−35.7<0.05
P4.0 × 10−31.3 × 10−310.2<0.01
T1.00.237.6<0.001
MP249.0 × 10−21.9 × 10−221.4<0.001
NDVIc2.0 × 10−35.0 × 10−412.8<0.001
  • a Model outputs are shown separately for the different immature stages of I. ricinus. Variable abbreviations are described in Table 1.