Table 3. The indirect effects of male age and mitochondrial and nuclear genetic variation on female actuarial ageing.
Response variable |
Female longevity, n=945 |
Female survival, n=945 |
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Coef | s.e. | χ2 | d.f. | P | Coef | s.e. | χ2 | d.f. | P | |
Fixed effects | ||||||||||
Male age | 6.9 | 5 | 0.2273 | 25.8 | 5 | <0.0001 | ||||
Female weight | 0.36 | 0.38 | 0.9 | 1 | 0.3520 | –0.0003 | 0.0004 | 1.3 | 1 | 0.2456 |
Lifetime fecundity | –2.07 | 0.42 | 23.9 | 1 | <0.0001 | 0.005 | 0.001 | 47.5 | 1 | <0.0001 |
Mitochondrial lineage | 4.7 | 2 | 0.0936 | 3.3 | 2 | 0.1953 | ||||
Nuclear lineage | 1.7 | 2 | 0.4270 | 0.3 | 2 | 0.8810 | ||||
Mito × Nuc | 2.7 | 4 | 0.6078 | 1.4 | 4 | 0.8457 | ||||
Age × Mito | 18.5 | 10 | 0.0466 | 18.0 | 10 | 0.0553 | ||||
Age × Nuc | 15.7 | 10 | 0.1098 | 10.7 | 10 | 0.3836 | ||||
Age × Mito × Nuc | 27.7 | 20 | 0.1159 | 24.6 | 20 | 0.2155 | ||||
Random effects |
Variance (σ2) |
Variance (σ2) |
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Line | 0.00 | 0.0042 | ||||||||
Male ID | 1.03 | 0.19 |
Abbreviations: Coef, coefficient; d.f., degrees of freedom; Mito, mitochondrial lineage; Nuc, nuclear lineage. P< 0.05 highlighted in bold.