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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

From: Attachment site selection of life stages of Ixodes ricinus ticks on a main large host in Europe, the red deer (Cervus elaphus)

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