Table 3.
Results of analysis of variance tests examining effects of season and individual-level variables on scaled gastrointestinal (GI) measurements. df = degrees of freedom. Significance codes denotes 0: ***; 0.001: **; 0.01: *.
| df | Sum sq | Mean sq | F-value | Pr(>F) | |
|---|---|---|---|---|---|
| Scaled total GI length | |||||
| Sex | 2 | 0.00799 | 0.00399 | 1.661 | 0.197535 |
| Reproductively active | 1 | 0.03004 | 0.03004 | 12.493 | 0.000734*** |
| Season | 3 | 0.10364 | 0.03455 | 14.367 | 2.27e-07*** |
| Sex:Reproductively active | 1 | 0.01866 | 0.01866 | 7.759 | 0.006896** |
| Residuals | 69 | 0.16591 | 0.00240 | ||
| Scaled total GI wet mass | |||||
| Sex | 2 | 0.00089 | 0.000446 | 0.325 | 0.723755 |
| Reproductively active | 1 | 0.00609 | 0.006092 | 4.441 | 0.038674* |
| Season | 3 | 0.02757 | 0.009190 | 6.698 | 0.000486*** |
| Sex:Reproductively active | 1 | 0.00832 | 0.008324 | 6.067 | 0.016232* |
| Residuals | 70 | 0.09603 | 0.001372 | ||
| Scaled total GI dry mass | |||||
| Sex | 2 | 4.440e-07 | 2.219e-07 | 0.870 | 0.4234 |
| Reproductively active | 1 | 2.730e-07 | 2.729e-07 | 1.070 | 0.3044 |
| Season | 3 | 6.010e-07 | 2.004e-07 | 0.786 | 0.5058 |
| Sex:Reproductively active | 1 | 1.481e-06 | 1.481e-06 | 5.809 | 0.0186* |
| Residuals | 70 | 1.785e-05 | 2.550e-07 | ||