Explaining variance of avian malaria infection in the wild: the importance of host density, habitat, individual life-history and oxidative stress

Table 2 Summary of AIC modelling of Plasmodium relictum infection in great tits

	Parameters*	Deviance	AICc	ΔAICc	ω
Model 1	1+2+9	267.23	277.47	0	0.01
Model 2	1+2+4+8+9	263.20	277.66	0.19	0.01
Model 3	1+2+8+9	265.40	277.74	0.27	0.01
Model 4	1+2+4+9	265.40	277.74	0.27	0.01
Model 5	1+2+4+8	265.61	277.95	0.48	0.01
Model 6	2+4+8	268.04	278.28	0.81	0.01
Model 7	2+4+8+9	266.06	278.4	0.93	0.01
Model 8	1+2+8	268.17	278.41	0.94	0.01
Model 9	1+2+4	268.25	278.49	1.02	0.01
Model 10	1+2+5+9	266.17	278.51	1.04	0.01
Null model	Intercept	276.01	280.06	2.59	0.00
* see code below for which parameters that are included
Averaged model parameters:
Parameters	Code	Coeff.	SE	Low CI	Upp CI	Rel. import.
(Intercept)		2.49	3.14	-3.66	8.65
Age(young)	1	-0.40	0.39	-1.16	0.35	0.69
Cs	2	-0.13	0.13	-0.37	0.12	0.68
D(low)	3	0.00	0.12	-0.23	0.23	0.12
Spring date	4	-0.04	0.05	-0.13	0.06	0.52
GSSG	5	0.04	0.11	-0.17	0.25	0.25
Mass	6	-0.04	0.12	-0.28	0.19	0.26
Q(low)	7	0.00	0.15	-0.29	0.29	0.13
ROM	8	-0.13	0.18	-0.49	0.23	0.54
Sex(male)	9	-0.28	0.35	-0.97	0.40	0.56
tGSH	10	0.04	0.10	-0.17	0.24	0.26

The top ten models are presented along with relative parameter importance (based on a model average with Δ AICc > 4).
cs clutch size, D breeding density, GSSG oxidized glutathione, Q habitat quality, ROM reactive oxygen metabolites, tGSH total glutathione, Rel. imp relative parameters importance, CI confidence interval (lower and upper), ω model weight.

ISSN: 1472-6785