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Table 6 Associations between antimicrobial resistance in Escherichia coli from study samples and potential risk factors

From: Antimicrobial resistance in Escherichia coli from Swedish piglets with diarrhoea and associations with potential risk factors

Random effect variable

Variance

   

Herd

< 0.0001

   

Fixed effect variables

Category

OR

95% CI

P > z

Estimated proportion of sows receiving antibiotic treatment within the first week after farrowing

< 10%

Ref

  

10–19%

3.6

1.2–10.8

0.023

20–29%

5.8

1.7–20.0

0.005

≥ 30%

5.9

1.1–31.0

0.035

Type of diarrhoea

Post-weaning diarrhoea

Ref

  
 

Neonatal diarrhoea

2.7

1.2–6.1

0.019

  1. Results from multivariable mixed logistic regression analysis between potential risk factors and trimethoprim-sulphonamide resistance in Escherichia coli isolates from study samples (n = 134). Variables without significant association to antimicrobial resistance are not included