Table 2. Best GLMM explaining the latency in the yawn response to a trigger (AICc = 1116.604).
| Co | SE | t | p | 95% CI | |
| Intercept | 1.025 | 0.390 | 2.626 | 0.010 | 0.253/1.796 |
| FF | |||||
| SB (0) | −2.815 | 1.179 | −2.387 | 0.018 | −5.147/−0.484 |
| SB (1) | −1.531 | 0.733 | −2.087 | 0.039 | −2.980/−0.081 |
| SB (2) | −0.009 | 0.636 | −0.013 | 0.989 | −1.265/1.248 |
| SB (3) | 0a | ||||
| RF | Variance | SE | |||
| Trigger identity | 0.590 | 0.790 |
a
redundant coefficient. Observer's identity variance is 0 so it is not indicated. Co: coefficient: SE: standard error; 95% CI: Confidence Interval; SB: Social Bond; FF: Fixed Factors; RF: Random Factors.