Table 9 Estimates of parameters and standard errors for different variables that affect the presence of (i) Mycobacterium bovis (ii) M. bovis A1 and (iii) M. scrofulaceum.

Host species

2/1

RD = 0.7 ± 14.6, FD = -15.0 ± 17.4

0.99

Area

4/1

CR = 8.2 ± 37.9, EB = 0.4 ± 2.3, MA = -10.4 ± 28.8, PU = 0.99 ± 2.0

0.96

Age

1/85

0.8 ± 0.7

0.24

Distance to marsh

1/78

2.7 ± 2.9

0.03

Distance to other host species similarly infected

1/94

-1.3 ± 0.4

0.19

Host species*area

2/74

Not shown

0.53

Host species*Distance to marsh

7/1

RD*distance = 0.5 ± 4.5, FD*distance = 6.3 ± 5.7

0.96

Distance to other host sim. inf. *host species

2/95

RD*distance = 2.2 ± 1.2, FD*distance = 3.8 ± 1.1

0.002

(ii) M. bovis A1

Host species

2/103

RD = -0.8 ± 1.2, FD = -2.1 ± 1.1

0.18

Area

4/97

EB = -0.9 ± 1.2, MA = -3.0 ± 1.5, PU = -2.8 ± 1.2

0.008

Distance to marsh

1/97

-1.7 ± 1.3

0.20

Distance to other host species similarly infected

1/111

0.1 ± 0.2

0.81

(iii) M. scrofulaceum

Host species

2/87

RD = 2.4 ± 1.8, FD = 6.3 ± 1.7

0.001

Area

4/85

CR = -5.4 ± 1.9, EB = -1.2 ± 1.7, MA = -9.8 ± 13.0, PU = -2.0 ± 2.3

0.08

Distance to marsh

1/72

2.1 ± 1.9

0.26

Distance to other host species similarly infected

1/119

0.8 ± 0.4

0.03