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. 2021 Jan 28;19(1):e3001066. doi: 10.1371/journal.pbio.3001066

Table 2. Factors affecting the number of ticks per host animala.

Region Host Tick abundance Host abundance Host species richness R2
Larvae
Northb Mice 0.622*** −0.043*** 0.012 0.867***
Southb Mice 0.110 −0.002 0.004 0.191
Southb Skinks 0.974*** −0.041 0.070 0.704***
Nymphs
Northb Mice 0.111 −0.002 0.002 0.408
South Mice −0.005* −0.001 <0.0001 0.472
Southb Skinks 0.566*** 0.005 −0.004 0.868***

R2 values are for GLMs with “site” as a class variable (to account for environmental differences among sites) plus the variables “tick abundance” (= number of ticks collected from all hosts at the array per sample), “host abundance” (= number of host individuals captured at the array per sample), and “host species richness” (= total number of host species captured at the sample array).

aEntries for each variable are model coefficients. Significance for independent variables and for entire model (R2): *p < 0.05, **p < 0.01, ***p < 0.001.

bNumbers of ticks log transformed to improve model fit.

GLM, general linear model.