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Table 2 The results from the regression analyses of a questionnaire survey performed among Norwegian sheep farmers.

From: Norwegian farmers' vigilance in reporting sheep showing scrapie-associated signs

Explanatory variable/Category Notifying vs Not report Re-examine vs Not report Notifying vs Re-examine Wald type III p-value
  Beta RRR RRR 95% CI Beta RRR RRR 95% CI Beta RRR RRR 95% CI  
Knowledge of scrapie-associated signs           < 0.001
   Continuous 0.3 1.4 1.2 – 1.6 0.2 1.3 1.1 – 1.4 0.09 1.1 1.0 – 1.2  
Being offered free examination of scrapie suspects           0.003
   Very important 0.3 1.3 1.0 – 1.8 -0.2 0.8 0.6 – 1.1 0.5 1.6 1.2 – 2.1  
   Less important   1    1    1   
That the detection of scrapie would enable eradication of scrapie from the flock           < 0.001
   Very important 0.9 2.4 1.7 – 3.4 0.2 1.2 1.0 – 1.6 0.7 2.0 1.4 – 2.7  
   Less important   1    1    1   
Worried about blaming oneself for having got scrapie for the farmers who considered detection of scrapie Very important           0.74
   Very important and Important 0.2 1.3 0.7 – 2.5 0.5 1.7 1.0 – 2.8 -0.3 0.8 0.4 – 1.4  
   Of minor Importance and Not important   1    1    1   
Worried about blaming oneself for having got scrapie for the farmers who considered detection of scrapie Less important           < 0.001
   Very important and Important 0.3 1.4 0.7 – 3.0 0.8 2.3 1.3 – 3.9 -0.5 0.6 0.3 – 1.2  
   Of minor Importance and Not important   1    1    1   
Flock size           < 0.001
   ≥ 100 breeding sheep -0.9 0.4 0.2 – 0.9 -0.9 0.4 0.2 – 0.8 -0.01 1.0 0.5 – 2.1  
   50–99 breeding sheep -0.9 0.4 0.2 – 0.9 -0.5 0.6 0.4 – 1.1 -0.4 0.7 0.3 – 1.4  
   10–49 breeding sheep   1    1    1   
  1. The results from the multinomial logistic regression analyses with the reporting behaviour of non-recovering listeriosis cases as the response variable in a questionnaire survey performed among Norwegian sheep farmers in 2002 (N = 1416). Not report was used as the reference group. The parameter estimates for "Worried about blaming oneself for having got scrapie" were presented for each level of the variable "That the detection of scrapie would enable eradication of scrapie from the flock" due to interaction between the variables. The contrast Notifying vs Re-examine is mathematically redundant with the two first contrasts, but is presented for comparative purposes.
  2. Likelihood ratio (chi-square) = 246.8, degrees of freedom = 254, p-value of the final model = 0.62
  3. p-value of estimate < 0.05
  4. Less important includes the categories: Important, Of minor importance, and Not important.