Table 2.
Generalized linear mixed model results for the time and error pup weight models.
| Model | Explanatory variables | Estimate | Standard error | Z value | P value |
|---|---|---|---|---|---|
| Error | Intercept | 5.48 | 0.17 | ||
| errors | 3.51 × 10–3 | 3.40 × 10–3 | 1.03 | 0.30 | |
| Sex (Male)a | 0.07 | 0.04 | 1.82 | 0.07 | |
| Age for weight at independence (Days) | 6.96 × 10–3 | 1.34 × 10–3 | 5.18 | 2.17 × 10–7 | |
| Rainfall (mm) | − 2.91 × 10–4 | 3.10 × 10–4 | − 0.94 | 0.35 | |
| Escort age (Days) | 1.96 × 10–5 | 5.17 × 10–5 | 0.38 | 0.70 | |
| Time | Intercept | 5.51 | 0.17 | ||
| Time | 3.66 × 10–4 | 1.64 × 10–3 | 0.22 | 0.82 | |
| Sex (Male)a | 0.06 | 0.04 | 1.70 | 0.09 | |
| Age for weight at independence (Days) | 7.03 × 10–3 | 1.34 × 10–3 | 5.23 | 1.69 × 10–7 | |
| Rainfall (mm) | − 2.73 × 10–4 | 3.15 × 10–4 | − 0.87 | 0.39 | |
| Escort age (Days) | 5.81 × 10–6 | 5.23 × 10–5 | 0.11 | 0.91 |
aReference category = Female.
Significant values are in bold. The marginal/conditional trigamma r2 value for the error-weight model was 0.17/0.97 and for the time-weight model 0.16/0.97.