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Table 3 Summary of the Incidence Rate Ratio (IRR) estimates and 95% lower (L) and upper (U) confidence intervals for MLVA genotype richness across three scales and two production types

From: Variation in Mycobacterium bovis genetic richness suggests that inwards cattle movements are a more important source of infection in beef herds than in dairy herds

 

All data

Dairy only

Non-dairy only

breakdown-level results

Variable

Coeff.

95%CI L

95%CI U

Coeff.

95%CI L

95%CI U

Coeff.

95%CI L

95%CI U

total_reactors_over_breakdown

1.07

1.06

1.09

1.10

1.07

1.13

1.07

1.05

1.09

n_common_MLVA_type_breakdown

–

–

–

–

–

–

–

–

–

herd_size

1.08

1.06

1.10

1.05

1.01

1.09

1.06

1.04

1.09

inwards_movement_intensity

1.10

1.07

1.12

–

–

–

1.09

1.06

1.11

breakdown_length_days

1.10

1.09

1.12

1.08

1.05

1.12

1.10

1.08

1.12

y_latitude

0.98

0.96

0.99

–

–

–

–

–

–

herd_size:inwards movement intensity

1.06

1.04

1.08

–

–

–

1.05

1.03

1.07

herd-level results

 sum_reactors_herd

1.10

1.07

1.13

1.13

1.06

1.21

1.08

1.06

1.10

 sum_reactors_most_common_MLVA

0.96

0.93

0.99

0.94

0.88

0.99

–

–

–

 mean_herd_size

1.17

1.14

1.19

1.13

1.09

1.17

1.13

1.11

1.16

 sum_number_breakdowns

1.19

1.17

1.21

1.18

1.14

1.22

1.19

1.16

1.21

 mean_inwards_movement_intensity

1.19

1.17

1.21

1.07

1.03

1.11

1.18

1.15

1.21

 mean_breakdown_length

1.10

1.08

1.12

1.06

1.02

1.10

1.08

1.06

1.11

 mean_herd_size:inwards_movement_intensity

1.10

1.08

1.12

1.04

1.01

1.08

1.07

1.05

1.09

 mean_herd_size:mean_breakdown_length

0.98

0.97

0.99

–

–

–

0.98

0.97

0.99

patch-level results

 sum_total_reactors_in_patch

1.23

1.18

1.28

1.11

1.02

1.20

1.24

1.14

1.34

 inwards_movement_intensity_patch

1.08

1.03

1.13

–

–

–

1.08

1.00

1.17

 count_breakdown_cattle_patch

–

–

–

1.24

1.15

1.35

–

–

–

 mean_herd_MLVA_richness

1.07

1.02

1.13

1.14

1.07

1.22

1.14

1.07

1.22