Table 2.

Parameter estimates and test statistics from mixed effects models with negative binomial error for the relationship between (A) abundance and (B) density of ticks on red deer, Norway

Parameter	Estimate	Std. Error	z value	P
A. Abundance
Intercept	7.3617	2.1670	3.400	0.001
Bodypart (groin vs leg)	0.3586	0.2198	1.630	0.103
Bodypart (neck vs. leg)	0.1177	0.2221	0.530	0.596
Bodypart (ear vs. leg)	1.0613	0.2200	4.820	<0.001
Bodypart (back vs. leg)	−2.7549	0.2931	−9.400	<0.001
Sex (f vs. m)	−0.4887	0.2862	−1.710	0.088
Age (1.5 vs. 0.5)	0.6453	0.3802	1.700	0.090
Age (≥2.5 vs. 0.5	0.7498	0.3507	2.140	0.033
Julian date	−0.0189	0.0079	−2.380	0.017
Elevation	−0.0015	0.0011	−1.370	0.170
B. Density
Intercept	5.3200	1.9700	2.710	0.007
Size of skin	2.24e-05	4.26e-06	5.260	<0.001
Bodypart (groin vs leg)	0.0435	0.2030	0.210	0.830
Bodypart (neck vs. leg)	−0.6670	0.2410	−2.760	0.006
Bodypart (ear vs. leg)	1.0500	0.1950	5.370	<0.001
Bodypart (back vs. leg)	−3.1800	0.2890	−11.010	<0.001
Sex (f vs. m)	−0.2120	0.2590	−0.820	0.414
Age (1.5 vs. 0.5)	0.4900	0.3390	1.440	0.149
Age (≥2.5 vs. 0.5	0.5640	0.3140	1.800	0.072
Julian date	−0.0136	0.0071	−1.910	0.056
Elevation	−0.0006	0.0010	−0.620	0.533