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Table 2 Comparison of generalized linear mixed-effects models (GLMM) using a model selection approach

From: Effects of forest structure on the interaction between avian hosts, dipteran vectors and haemosporidian parasites

Response variable

Explanatory variables

Model description

k

AICc

ΔAICc

wi

Variance (fixed effects)

Variance (random effect)

a) Haemosporidian parasitemia

Primary 3 asymmetry + Tarsus asymmetry

5

588.65

0.00

0.92

0.012

0.255

 

Primary 3 asymmetry + Tarsus asymmetry + Vector abundance (females)

6

593.99

5.34

0.06

0.015

0.250

 

Primary 3 asymmetry + Tarsus asymmetry + Vector abundance (females) + H/L-ratio

7

596.56

7.91

0.02

0.018

0.243

 

Primary 3 asymmetry + Tarsus asymmetry + Vector abundance (females) + H/L-ratio + Forest category

9

603.10

14.45

0.00

0.028

0.242

 

Primary 3 asymmetry + Tarsus asymmetry + Vector abundance (females) + H/L-ratio + Forest category + Year

10

608.04

19.39

0.00

0.028

0.242

 

Primary 3 asymmetry + Tarsus asymmetry + Vector abundance (females) + H/L-ratio + Forest category + Year + Leucocyte

11

613.57

24.93

0.00

0.028

0.245

 

Primary 3 asymmetry

4

645.56

56.91

0.00

0.001

0.259

 

Tarsus assymmetry

4

657.22

68.58

0.00

0.009

0.261

 

Null

3

723.35

134.70

0.00

0.000

0.270

b) Haemosporidian prevalence

Primary 3 asymmetry + Tarsus asymmetry

4

273.99

0.00

0.70

0.010

0.182

 

Primary 3 asymmetry + Tarsus asymmetry + Forest category

6

276.58

2.59

0.19

0.015

0.183

 

Primary 3 asymmetry + Tarsus asymmetry + Forest category + Leucocytes

7

278.64

4.65

0.07

0.015

0.182

 

Primary 3 asymmetry + Tarsus asymmetry + Forest category + Leucocytes + Vector abundance (females)

8

280.71

6.72

0.02

0.016

0.182

 

Primary 3 asymmetry + Tarsus asymmetry + Forest category + Leucocytes + Vector abundance (females) + H/L-ratio

9

282.81

8.81

0.01

0.016

0.181

 

Primary 3 asymmetry

3

293.59

19.60

0.00

0.000

0.176

 

Tarsus asymmetry

3

299.53

25.53

0.00

0.013

0.189

 

Tarsus asymmetry + Forest category + Leucocytes + Vector abundance (females) + H/L-ratio

8

307.70

33.71

0.00

0.021

0.193

 

Null

2

323.55

49.56

0.00

0.000

na

  1. Comparison of generalized linear mixed-effects models (GLMM) relating to habitat category, physical traits, prevalence and parasitemia of all haemosporidians, from birds sampled at Schorfheide, Germany in 2014 and 2015. The factor bird species was used as a random factor