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Volume 9, Number 1—January 2003

Research

Seasonal Dynamics of Anaplasma phagocytophila in a Rodent-Tick (Ixodes trianguliceps) System, United Kingdom

Kevin J. Bown*Comments to Author , Michael Begon*, Malcolm Bennett*, Zerai Woldehiwet*, and Nicholas H. Ogden*
Author affiliations: *University of Liverpool, Liverpool, United Kingdom

Main Article

Table 3

Determinants of parasitism of rodents by larval, nymphal, and adult Ixodes trianguliceps ticks in the most parsimonious negative binomial regression modelsa

Variable Coefficient SEb p value
Larvae



Rodent body mass (g)
0.029
0.013
0.03
Month (3-point scale)
0.712
0.063
<0.001
Male bank voles vs. wood mice and female bank voles
0.580
0.279
0.04
Wood mice vs. female bank voles
0.462
0.229
0.04
Intercept
–0.702
0.468

Nymphs



Rodent body mass (g)
0.097
0.030
0.001
Month (2-point scale)
1.761
0.250
<0.001
Male bank voles vs. wood mice and female bank voles
2.394
0.832
0.004
Intercept
–6.590
0.915

Adults



Rodent body mass (g)
0.170
0.055
0.002
Intercept –3.769 1.326

aRodent ID included as a random effect.

bSE, standard error.

Main Article

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