| Model | Sum of Squares | df | Mean Square | F | Sig. | |
| 1 | Regression | 26.309 | 5 | 5.262 | 8.249 | 0.000b |
| Residual | 172.217 | 270 | 0.638 |
|
| |
| Total | 198.526 | 275 |
|
|
| |
| 2 | Regression | 55.478 | 8 | 6.935 | 12.944 | 0.000c |
| Residual | 143.048 | 267 | 0.536 |
|
| |
| Total | 198.526 | 275 |
|
|
| |