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Table 3

Best model set descriptions and extracted values for the prevalence of each parasite species. In bold: significant effect (p-value < 0.05) of the predictor in each model.

Parasite prevalence (Response variable) Best model Significant parameters in the model selected Estimate ± SE z-value p-value R2m R2c
GI strongyles (n = 1469) Sector Intercept 0.12 ± 0.14 0.85 0.39 0.11 0.20
Age −0.17 ± 0.06 −2.70 0.007
Sex (Male) 0.18 ± 0.13 1.42 0.15
Body mass −0.67 ± 0.07 −9.09 <0.001
Julian date 0.01 ± 0.07 0.20 0.84
Sector (P) 0.33 ± 0.13 2.56 0.01
Trichuris sp. (n = 1466) Sector Intercept −0.01 ± 0.17 −0.08 0.93 0.22 0.40
Age −0.02 ± 0.07 −0.21 0.84
Sex (Male) 0.41 ± 0.16 2.64 0.01
Body mass −1.18 ± 0.11 −11.24 <0.001
Julian date 0.16 ± 0.08 2.02 0.04
Sector (P) 0.35 ± 0.15 2.27 0.02
Eimeria spp. (n = 1467) Sector Intercept −0.75 ± 0.12 −6.44 <0.001 0.17 0.23
Age −0.56 ± 0.07 −7.72 <0.001
Sex (Male) −0.15 ± 0.13 −1.12 0.26
Body mass −0.70 ± 0.07 −9.34 <0.001
Julian date 0.14 ± 0.07 2.12 0.03
Sector (P) 0.32 ± 0.13 2.44 0.01
Protostrongylids (n = 1422) Null Intercept −2.69 ± 0.39 −6.86 <0.001 0.33 0.51
Age −0.67 ± 0.16 −4.13 <0.001
Age2 0.32 ± 0.09 3.41 <0.001
Sex (Male) 0.23 ± 0.21 1.09 0.28
Body mass −1.59 ± 0.20 −8.07 <0.001
Julian date 0.001 ± 0.006 0.14 0.89

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