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Table 5 Two-factor logistic regression analysis on MAT outcome

From: Passive surveillance of Leptospira infection in swine in Germany

General model type III tests of fixed effects
  DFa Fb p c
Year 5 10.79 < .0001
Reason for sampling 2 7.66 0.0005
Interaction 10 1.58 0.1049
Effect n Positives % ORd CIe p f
lower upper
Year
2011 (ref) 5908 16.3 1
2012 5472 19.0 1.490 1.204 1.843 0.0023
2013 5568 19.3 1.251 0.996 1.572 0.1292
2014 5106 19.5 1.296 1.026 1.638 0.1935
2015 4733 21.3 1.951 1.549 2.457 0.0014
2016 / 01 to 09 3042 30.9 2.565 1.862 3.533 0.0240
Reason for sampling
Monitoring (ref) 1813 16.9 1
Reproductive problems 12,017 22.1 1.478 1.189 1.838 0.0017
Unknown reasons 15,999 19.1 1.326 1.068 1.646 0.0093
  1. aDegrees of freedom
  2. bF-test statistics for model parameter
  3. cp-value for F-Test
  4. dodds ratios adjusted for year, reason for sampling, and interaction
  5. elower/upper bound 95% confidence interval for the odds ratio
  6. fp-value for Wald test