Table 1.
Mean ± sem behavioural variables during the two different phases of the attention bias test.
| Variable | Before | After | Treatment | Phase | Treatment × phase | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Probiotics | Control | Probiotics | Control | Test value | p value | Test value | p value | Test value | p value | |
| Latency to first reach toys (s) | – | – | 100.5 ± 12.8 | 92.0 ± 13.0 | F = 0.108 | 0.74 | – | – | – | – |
| Time interacting with toys (s) | 3.3 ± 0.8 | 2.4 ± 0.9 | 4.3 ± 1.1 | 4.6 ± 1.4 | χ2 = 0.96 | 0.33 | χ2 = 0.40 | 0.52 | – | – |
| Time spent rooting (s) | 0.61 ± 0.5 | 0.45 ± 0.2 | 0.29 ± 0.22 | 0.55 ± 0.27 | χ2 = 0.62 | 0.43 | χ2 = 0.04 | 0.84 | – | – |
| Time spent exploring (s) | 28.4 ± 2.3 | 28.4 ± 2.3 | 23.5 ± 3.0 | 15.9 ± 2.1 | F = 1.65 | 0.2 | F = 25.66 | < 0.001 | F = 3.9 | 0.05 |
| Conspecific directed behaviours (s) | 24.3 ± 2.5 | 26.9 ± 2.5 | 25.9 ± 2.7 | 32.9 ± 3.4 | F = 1.9 | 0.17 | F = 2.0 | 0.15 | F = 0.67 | 0.41 |