Table 1. Results of Generalized Linear Models (GLMs) of grey seal (Halichoerus grypus) survival. Note that coefficients for interaction terms are omitted since they cannot properly be interpreted in tabular form. df, degrees of freedom. NS not significant.
| (a) Dead versus live pups (n = 428) | ||||
|---|---|---|---|---|
| Term | Estimate | t | df | P |
| Allele 1 | 0.25 | 1.75 | 1 | NS |
| Allele 2 | 0.001 | 0.03 | 1 | NS |
| Allele 3 | −0.08 | 1.19 | 1 | NS |
| Allele 4 | −0.08 | 1.00 | 1 | NS |
| Allele 5 | 0.16 | 3.55 | 1 | 0.0004 |
| Number of alleles | 0.05 | 1.73 | 1 | NS |
| Allele 1: number of alleles interaction | NA | NA | 1 | NS |
| Allele 2: number of alleles interaction | NA | NA | 1 | NS |
| Allele 3: number of alleles interaction | NA | NA | 1 | 0.03 |
| Allele 4: number of alleles interaction | NA | NA | 1 | NS |
| Allele 5: number of alleles interaction | NA | NA | 1 | 0.014 |
| (b) Pups versus adults (n = 537) | ||||
|---|---|---|---|---|
| Term | Estimate | t | df | P |
| Allele 1 | 0.21 | 1.69 | 1 | 0.09 |
| Allele 2 | 0.07 | 2.04 | 1 | 0.04 |
| Allele 3 | 0.05 | 0.89 | 1 | 0.38 |
| Allele 4 | 0.07 | 1.25 | 1 | 0.21 |
| Allele 5 | 0.16 | 4.68 | 1 | 3.71×10−6 |
| Number of alleles | 0.12 | 5.42 | 1 | 8.86×10−8 |
| Allele 1: number of alleles interaction | NA | NA | 1 | NS |
| Allele 2: number of alleles interaction | NA | NA | 1 | NS |
| Allele 3: number of alleles interaction | NA | NA | 1 | NS |
| Allele 4: number of alleles interaction | NA | NA | 1 | NS |
| Allele 5: number of alleles interaction | NA | NA | 1 | 0.06 |