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Table 4 Final multivariable logistic regression analysis of variables significantly (P≤ 0

From: Antimicrobial resistance and virulence factors in Escherichia coli from swedish dairy calves

Variable

β

S.E.(β)

ORa

95% CI (ORa)

P-value

Intercept

1.24

0.57

-

-

-

Herd size

     

0: ≥ 121

Refb

-

-

-

-

1: 55-120

-1.52

0.74

0.22

0.05; 0.93

0.04

2: < 55

-2.28

0.70

0.10

0.03; 0.40

0.001

Resistant to tetracycline?

     

0:No

Refb

-

-

-

-

1:Yes

1.66

0.64

5.25

1.48; 18.6

0.01

  1. aOR = Odds ratio
  2. bRef = reference category