Table 3.
Generalized linear mixed model results for the pup survival models, with the number of errors (repeat cup visits) and time spent between cups as predictors.
| Model | Explanatory variables | Estimate | Standard error | Z value | P value |
|---|---|---|---|---|---|
| Error | Intercept | − 0.13 | 1.04 | ||
| Errors | 0.09 | 0.04 | 2.13 | 0.03 | |
| Sex (Male)a | 0.19 | 0.48 | 0.42 | 0.68 | |
| Escort age (Days) | 4.48 × 10–5 | 5.99 × 10–2 | 0.08 | 0.94 | |
| Time | Intercept | 1.88 | 0.96 | ||
| Time | − 0.03 | 0.02 | -1.63 | 0.10 | |
| Sex (Male)a | 0.09 | 0.47 | 0.20 | 0.84 | |
| Escort age (Days) | − 6.34 × 10–5 | 5.75 × 10–4 | -0.11 | 0.91 |
aReference category = Female.
Significant values are in bold. The marginal/conditional r2 value for the error-survival model was 0.07/0.26 for the time-survival model 0.04/0.22.