Table 1 Correlation analysis and stepwise multiple regression analyses with bite force as the dependent variable and head morphological traits as independent variables. All variables were log10 transformed
From: The relationship between bite force, morphology, and diet in southern African agamids
| Â | Pearson correlation analysis | Stepwise regression analysis1 | ||
|---|---|---|---|---|
r | P | β | P | |
Bite force | ||||
 Head length | 0.94 | < 0.01 |  |  |
 Head width | 0.92 | < 0.01 |  |  |
 Head height | 0.84 | 0.05 |  |  |
 Lower jaw length | 0.96 | < 0.01 | 0.45 | < 0.01 |
 Jaw out-lever | 0.96 | < 0.01 | 0.52 | < 0.01 |
 Snout length | 0.90 | < 0.01 |  |  |
 In-lever for jaw opening | 0.54 | 0.74 |  |  |
 In-lever for jaw closing | 0.48 | 0.89 |  |  |