Table 3.
Tetrachoric correlation coefficients.
| swIAV | PRRSV | PRCV | SOV | PCV2 | PCV3 | PCMV | |
|---|---|---|---|---|---|---|---|
| Farm level | |||||||
| swIAV | 1.00 | ||||||
| PRRSV | −0.07 | 1.00 | |||||
| PRCV | 0.50* | 0.22 | 1.00 | ||||
| SOV | 0.52* | 0.15 | 0.75*** | 1.00 | |||
| PCV2 | 0.25 | 0.05 | 0.25 | 0.24 | 1.00 | ||
| PCV3 | 0.41 | −0.14 | 0.57* | 0.05 | 0.32 | 1.00 | |
| PCMV | 0.52* | 0.19 | 0.75*** | 0.75** | 0.36 | 0.14 | 1.00 |
| Individual level | |||||||
| swIAV | 1.00 | ||||||
| PRRSV | −0.59* | 1.00 | |||||
| PRCV | 0.14 | −0.63* | 1.00 | ||||
| SOV | 0.31 | −0.29 | 0.71*** | 1.00 | |||
| PCV2 | 0.40 | −0.05 | 0.13 | 0.69** | 1.00 | ||
| PCV3 | −0.27 | 0.04 | −0.30 | −0.31 | −0.12 | 1.00 | |
| PCMV | −0.32 | 0.52† | −0.82*** | −0.84 | −0.28 | 0.44 | 1.00 |
The table shows the results of the tetrachoric correlation matrices for the presence or absence of each virus at farm level (upper) or in individuals (lower). †p = 0.06; *p < 0.05; **p < 0.01; ***p < 0.001.