Table 8 The odds of a poorly performing farm moving from the fourth quartile in the preceding time window into a different quartile 3 months later as a function of the proportion of triggers issued in the preceding time window.

From: Longitudinal national-level monitoring of on-farm broiler welfare identifies consistently poorly performing farms

Condition

  

Odds ratio

Log (OR)

SE Log (OR)

p

Ascites/oedema

2010–2014

Intercept

2.26

0.81

0.21

 < 0.001

Trigger 1

0.38

 − 0.97

0.25

 < 0.001

2016–2018

Intercept

1.38

0.32

25.00

0.20

Trigger 1

0.27

 − 1.29

0.17

 < 0.001

Dermatitis cellulitis

2010–2014

Intercept

3.28

1.19

0.15

 < 0.001

Trigger 1

0.15

 − 1.92

0.18

 < 0.001

Cellulitis

2016–2018

Intercept

0.63

 − 0.46

0.14

 < 0.001

Trigger 1

0.37

 − 0.98

0.13

 < 0.001

Dermatitis

2016–2018

Intercept

0.41

 − 0.89

0.07

 < 0.001

Trigger 1

0.33

 − 1.10

0.28

 < 0.001

DOA

2010–2014

Intercept

5.75

1.75

0.21

 < 0.001

Trigger 1

0.15

 − 1.89

0.26

 < 0.001

2016–2018

Intercept

1.93

0.66

0.13

 < 0.001

Trigger 1

0.15

 − 1.90

0.13

 < 0.001

Emaciation

2010–2014

Intercept

4.68

1.54

0.19

 < 0.001

Trigger 1

0.09

 − 2.46

0.24

 < 0.001

2016–2018

Intercept

0.93

 − 0.07

0.11

0.53

Trigger 1

0.11

 − 2.18

0.16

 < 0.001

Joint lesions

2010–2014

Intercept

1.64

0.49

0.15

 < 0.001

Trigger 1

0.33

 − 1.12

0.23

 < 0.001

2016–2018

Intercept

0.79

 − 0.24

0.18

0.20

Trigger 1

0.29

 − 1.25

0.05

 < 0.001

Respiratory

2010–2014

Intercept

2.60

0.96

0.13

 < 0.001

Trigger 1

0.22

 − 1.54

0.21

 < 0.001

Total rejections

2010–2014

Intercept

4.17

1.43

0.20

 < 0.001

Trigger 1

0.23

 − 1.46

0.25

 < 0.001

Mortality house

2010–2014

Intercept

1.22

0.20

0.07

 < 0.001

Trigger 1

0.66

 − 0.42

0.25

0.09

2016–2018

Intercept

0.41

 − 0.89

0.06

 < 0.001

Trigger 1

0.69

 − 0.37

1.10

0.73