Table 1. The effect of year of birth, fitted with a polynomial regression, and the geographical and genetic (maternal/paternal) origin on the lifespan of carriers.
DF | MS | F | P | |
Birth Year (3) | 3 | 6622.2 | 43.705 | 2.2*10–16 |
Geographical origin | 1 | 1563.3 | 10.317 | 0.0016 |
Genetic origin | 1 | 1242.1 | 8.197 | 0.0048 |
Residuals | 145 | 151.5 |
DF, MS, and F signify degrees of freedom, mean square and F-statistic, respectively.