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. 2016 Sep 19;25(9):1648–1665. doi: 10.1007/s10646-016-1725-8

Table 4.

Results of GLMMs fitted to the numbers of Varroa mites per approx. 500 bees as well as of a logistical model applied to the presence/absence data of Nosema, DWV, SBV, and ABPV

Varroa infestation level as determined by the icing sugar method Nosema DWV SBV ABPV
Intercept 3.48 ± 0.09*** −3.90 ± 1.00*** −3.21 ± 2.59 −45.06 ± 13,448.37 −7.71 ± 7.84
DAP 4.04 ± 3.53 −8.01 ± 10.86 0.02 ± 0.05 −6.52 ± 3,544.90 34.75 ± 42.91
Study site (test compared to reference) 0.03 ± 0.11 −1.45 ± 0.95 0.12 ± 0.39 11.43 ± 9,508.04 0.23 ± 0.48
Distance to OSR (distant compared to edge) −0.02 ± 0.11 1.64 ± 1.04 0.41 ± 0.39 −19.56 ± 8,816.63 −0.44 ± 0.48
Temperature sum −2.37 ± 2.13 10.62 ± 8.03 −0.19 ± 102.63 −14.00 ± 24.92
Humidity sum −1.61 ± 1.52 0.10 ± 38.56 −12.20 ± 18.53
Rain sum 0.47 ± 0.26 −1.91 ± 5.74 0.69 ± 1.99 0.50 ± 297.64 −2.00 ± 2.16
Wind sum 0.22 ± 0.19 −0.95 ± 3.08 −0.40 ± 1.07 0.56 ± 314.03 −1.85 ± 1.38

Effect size ± SD is given for each parameter. Positive values indicate an increase in relation to the respective reference value whereas negative values indicate a decrease. All other parameters are as explained in the legend of Table 1. ***p < 0.001