## Table 3 |
|||

Bivariate correlations between genetic, Euclidean and temporal distances and herd
ownership computed with Mantel test procedure (122 PRRSV ORF5 sequences) |
|||

Distance variable 1 |
Distance variable 2 |
r_{M}^{a} |
P-value^{b} |

Genetic^{c} |
Ownership^{d} |
0.07 | 0.01 |

Genetic^{c} |
Euclidean^{c} |
−0.008 | 0.56 |

Genetic^{c} |
Temporal^{c} |
0.11 | <0.01 |

Euclidean^{c} |
Temporal^{c} |
−0.009 | 0.58 |

Genetic^{e} |
Ownership^{d} |
0.17 | <0.01 |

Genetic^{e} |
Euclidean^{f} |
0.04 | <0.01 |

Genetic^{e} |
Temporal^{g} |
0.06 | <0.01 |

Temporal^{g} |
Euclidean^{f} |
0.02 | 0.05 |

Temporal^{g} |
Ownership^{d} |
0.05 | <0.01 |

Euclidean^{f} |
Ownership^{d} |
0.03 | 0.03 |

^{a} Mantel R test statistic using a Pearson correlation coefficient, ^{b} P-value obtained with 9999 Monte Carlo simulations, ^{c} Continuous distance, ^{d} 0: same, 1: different, ^{e} 0: ≥98%, 1: <98% homology, ^{f} 0: ≤5 km, 1: >5 km, ^{g} 0: ≤1 month, 1: >1 month.

Lambert * et al.*

Lambert * et al.* *BMC Veterinary Research* 2012 **8**:76 doi:10.1186/1746-6148-8-76