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 | P-value | |
|---|---|---|---|---|
| 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 |