Table 3 

Parameter estimates from the regression model with a seasonal component corresponding to a 12 month cycle, for proportion of impaction colics per month between January 2000 and March 2005. 

Parameter estimate 
Lower 95% CI 
Upper 95% CI 
Pvalue 



Intercept 
5.92 
6.02 
5.83 

Sin 12 
0.08 
0.22 
0.05 
0.2 
Cos 12 
0.19 
0.05 
0.32 
0.006 


Cox et al. BMC Veterinary Research 2007 3:1 doi:10.1186/1746614831 