Table 2.
Pairwise predictors of weighted Unifrac distance among six sympatric mammal species
| Parameter | Estimate | 95% CI | z-value | P-value | Interpretation |
|---|---|---|---|---|---|
| Intercept | −0.69 | (−7.84, −0.6) | −14.47 | <2 × 10−16 | |
| Dietary distance | 0.0009 | (2.87 × 10−5, 0.002) | 2.03 | 0.043 | Host species with divergent diets have more dissimilar microbiota |
| Both terrestrial | −0.15 | (−0.22, −0.08) | −4.05 | 5.1 × 10−5 | Host species that both spend time on the ground have less dissimilar microbiota |
| Phylogenetic distance | 2.31 | (2.21, 2.41) | 45.7 | <2 × 10−16 | Host species that are more evolutionary distant have more dissimilar microbiota |
| Geographic distance | −0.02 | (−0.05, 0.006) | −1.56 | 0.12 | No significant correlation |
Average coefficient estimates, 95% confidence intervals, and z-values are shown for fixed-effect parameters. Bolded relationships are significant at P < 0.05. Baseline terrestriality (“no”) is not shown. Individual identities within each sample pair were included as random effects.