Table 2.
Coefficients from the minimal adequate ordinary least-squares regression (OLS) and phylogenetic least-squares regression (PGLS) models for average lifespan, maximum lifespan, coefficient of variation for lifespan, and survival to fifty days of eight tephritid fly species. The minimal adequate model was determined from the OLS based on the best AIC and using step-wise deletion of the terms. Phylogenetic correlation for each trait is given by the value of λ, with zero indicating no phylogenetic signal and one indicating a strong signal.
Effects | OLS | PGLS | |||||||
---|---|---|---|---|---|---|---|---|---|
Estimate | t | p | AIC | Estimate | t | p | AIC | λ | |
Lifespan | |||||||||
(Intercept) | 99.08 | 3.73 | 0.013 | 77.98 | 99.05 | 3.65 | 0.014 | 76.17 | 0 |
Protein damage | −0.07 | −1.32 | 0.241 | −0.07 | −1.3 | 0.248 | |||
TAC | 0.01 | 2.71 | 0.042 | 0.01 | 2.68 | 0.043 | |||
Maximum lifespan | |||||||||
(Intercept) | 314.12 | 11.99 | <0.001 | 94.51 | 314.44 | 11.85 | <0.001 | 92.73 | 0 |
Coefficient of variation | |||||||||
(Intercept) | 77.68 | 9.58 | <0.001 | 59.09 | 52.41 | 5.01 | 0.007 | 57.16 | 0 |
Host | −0.037 | −1.11 | 0.328 | −0.037 | −1.11 | 0.330 | |||
TAC | −0.005 | −3.99 | 0.016 | −0.005 | −3.99 | 0.016 | |||
Body mass | 4.99 | 2.89 | 0.044 | 4.99 | 2.89 | 0.044 | |||
Survival to 50 days | |||||||||
(Intercept) | 2.71 | 2.70 | 0.114 | −7.82 | 2.71 | 2.69 | 0.115 | −9.72 | 0 |
Host | 0.004 | 2.14 | 0.166 | 0.004 | 2.13 | 0.167 | |||
Protein damage | −0.002 | −1.64 | 0.243 | −0.002 | −1.63 | 0.245 | |||
Lipid damage | 0.017 | 1.63 | 0.244 | 0.017 | 1.62 | 0.247 | |||
TAC | 0.0001 | 1.75 | 0.222 | 0.0001 | 1.75 | 0.223 | |||
Body mass | −0.184 | −1.93 | 0.193 | −0.184 | −1.93 | 0.193 |