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Table 3 Results of the best fit logistic regression models obtained for each analysis

From: Seroprevalence of 12 serovars of pathogenic Leptospira in red foxes (Vulpes vulpes) in Poland

Significance assessment of model (P value of LR test) Independent variable Coefficient (β i ) Std. error P value (Wald) Odds ratio Confidence OR − 95% Confidence OR + 95%
Models for infection of Leptospira sp. (without distinction of serovars)
 < 0.001 Absolute term (β0) − 2.92912 0.296482 < 0.001 0.05 0.03 0.10
LD 1.216036 0.233494 < 0.001 3.37 2.13 5.33
MP 0.671037 0.228562 0.003 1.96 1.25 3.06
MA 1.68051 0.237135 < 0.001 5.37 3.37 8.55
OP 1.388372 0.247953 < 0.001 4.01 2.46 6.52
PK 1.769046 0.269941 < 0.001 5.87 3.45 9.96
PM 1.534127 0.265823 < 0.001 4.64 2.75 7.81
SW 0.555254 0.259964 0.03 1.74 1.05 2.90
WM 1.630786 0.20659 < 0.001 5.11 3.41 7.66
Fox density (No/km2) 1.142803 0.307487 < 0.001 3.14 1.72 5.73
 < 0.001 Absolute term (β0) − 1.50766 0.198255 < 0.001 0.22 0.15 0.33
Spring 0.267965 0.280004 0.34 1.31 0.75 2.26
Autumn 0.0834 0.232275 0.72 1.09 0.69 1.71
Winter 0.688467 0.211402 0.001 1.99 1.31 3.01
Model for Icterohaemorrhagiae
 0.003 Absolute term (β0) − 6.41457 0.839692 < 0.001 0.002 0.0003 0.008
Fox density (No/km2) 2.913659 0.989553 0.003 18.42 2.65 128.30
Adult − 1.18961 0.553268 0.03 0.30 0.10 0.90
Model for Grippotyphosa
 0.001 Absolute term (β0) − 5.71115 0.543301 < 0.001 0.003 0.001 0.01
Fox density (No/km2) 2.364823 0.677533 < 0.001 10.64 2.82 40.19
Model for Sejroe
 0.015 Absolute term (β0) − 3.43721 0.318798 < 0.001 0.03 0.02 0.06
LD 1.130284 0.386552 0.003 3.10 1.45 6.61
MP 0.35268 0.419714 0.40 1.42 0.62 3.24
MA 0.85591 0.422493 0.04 2.35 1.03 5.39
OP 0.110974 0.514159 0.83 1.12 0.41 3.06
PK 1.228934 0.461089 0.008 3.42 1.38 8.44
PM 1.047612 0.44818 0.02 2.85 1.18 6.87
SW 0.408686 0.434724 0.35 1.50 0.64 3.53
WM 0.880843 0.376223 0.02 2.41 1.15 5.05
Model for Australis
 < 0.001 Absolute term (β0) − 6.36907 0.610643 < 0.001 0.002 0.0005 0.01
Fox density (No/km2) 2.843724 0.730836 < 0.001 17.18 4.10 72.02
Models for Saxkoebing
 0.024 Absolute term (β0) − 2.77882 0.325736 < 0.001 0.06 0.03 0.12
Spring 0.445929 0.436438 0.31 1.56 0.66 3.68
Autumn 0.408323 0.368228 0.27 1.50 0.73 3.10
Winter 0.806557 0.34165 0.02 2.24 1.15 4.38
 < 0.001 Absolute term (β0) − 2.94772 0.25661 < 0.001 0.05 0.03 0.09
LD 1.010782 0.318737 0.002 2.75 1.47 5.13
MP 0.715284 0.318663 0.03 2.04 1.09 3.81
MA 1.257746 0.322546 < 0.001 3.52 1.87 6.62
OP 1.021486 0.343397 0.003 2.78 1.42 5.45
PK 1.939495 0.341159 < 0.001 6.96 3.56 13.58
PM 1.452948 0.341859 < 0.001 4.28 2.19 8.36
SW − 0.63976 0.461137 0.17 0.53 0.21 1.30
WM 1.121314 0.296979 < 0.001 3.07 1.71 5.49
Models for Poi
 < 0.001 Absolute term (β0) − 5.45234 0.689411 < 0.001 0.004 0.001 0.02
LD 2.814176 0.617742 < 0.001 16.68 4.97 56.01
MP 1.032509 0.682165 0.13 2.81 0.74 10.70
MA 3.445862 0.612244 < 0.001 31.37 9.44 104.22
OP 3.293047 0.618209 < 0.001 26.92 8.01 90.51
PK 2.239957 0.687842 0.001 9.39 2.44 36.19
PM 2.960175 0.643965 < 0.001 19.30 5.46 68.24
SW 2.610502 0.629299 < 0.001 13.61 3.96 46.74
WM 3.666819 0.591781 < 0.001 39.13 12.26 124.88
Fox density (No/km2) 1.043369 0.476866 0.03 2.84 1.11 7.23
 < 0.001 Absolute term (β0) − 2.89037 0.342638 < 0.001 0.06 0.03 0.11
Spring 0.375612 0.464447 0.42 1.46 0.59 3.62
Autumn 0.519876 0.383324 0.18 1.68 0.79 3.57
Winter 1.368756 0.353764 < 0.001 3.93 1.96 7.87
 0.003 Absolute term (β0) − 2.30544 0.125369 0 0.10 0.08 0.13
Adult 0.437116 0.152208 0.004 1.55 1.15 2.09
  1. LD Łódzkie, MP Leser Poland, MA Masovia, OP Opolskie, PK Subcarpathia, PM Pomerania, SW Świętokrzyskie, WM Warmia-Masuria