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Table 5 Final multivariable logistic model for Outcome 2a for a. the England & Wales data; b. the combined data sets

From: The British E. coli O157 in cattle study (BECS): factors associated with the occurrence of E. coli O157 from contemporaneous cross-sectional surveys

 

a. England & Wales

b. Scotland + England & Wales

Variable

Value

Coefficient

OR

[95% CI]

p-value

Coefficient

OR

[95% CI]

p-value

Intercept

 

−2.20

 

0.0003

−1.63

 

0.0002

housed

No

Baseline

1.00

 

Baseline

1.00

 

Yes

1.76

5.81 [1.82–18.49]

0.006

2.02

7.51 [3.25–17.37]

< 0.0001

survey

Scotland

N/A

Baseline

1.00

 

England & Wales

−0.80

0.451 [0.24–0.86]

0.018

  1. OR Odds ratio; CI Confidence Interval; N/A not applicable
  2. Significant (p ≤ 0.05) OR and p-values are highlighted in bold text
  3. Model a, Unadjusted deviance explained = 0.25
  4. Model b, Unadjusted deviance explained = 0.35
  5. a The proportion of pats on positive farms that tested individually positive for E. coli O157