Table 4. Multi-factorial model results with square root transformation for the treatment frequency in weaners.
| Factor | Category | N | Mean | CI_l | CI_u | F-value | p-value |
|---|---|---|---|---|---|---|---|
| Half-year | global | 5.580 | < .001 | ||||
| 2011–1 | 141 | 18.417 | 12.527 | 25.437 | |||
| 2011–2 | 141 | 14.735 | 9.663 | 20.873 | |||
| 2013–1 | 149 | 18.209 | 12.684 | 24.731 | |||
| 2013–2 | 146 | 21.423 | 15.030 | 28.945 | |||
| 2014–1 | 188 | 23.109 | 16.909 | 30.275 | |||
| 2014–2 | 201 | 17.201 | 12.055 | 23.259 | |||
| Farm size | global | 9.142 | < .001 | ||||
| lower third | 279 | 13.948 | 8.729 | 20.385 | |||
| middle third | 268 | 17.481 | 11.521 | 24.678 | |||
| upper third | 419 | 25.749 | 19.012 | 33.507 | |||
| Region | global | 8.487 | 0.005 | ||||
| Middle | 391 | 11.366 | 7.535 | 15.982 | |||
| Northwest | 529 | 11.359 | 7.394 | 16.173 | |||
| East | 46 | 39.043 | 21.962 | 61.005 | |||
| Farm category | global | 9.400 | < .001 | ||||
| fattening | 259 | 25.786 | 18.567 | 34.188 | |||
| combined | 532 | 13.715 | 9.239 | 19.072 | |||
| changer | 175 | 17.714 | 10.413 | 26.944 |
CI_l, CI_u: Lower and upper limit of the 95% confidence interval