| β12 | DIND | Included | Included | Included | ||||||
| F | 16.74 | *** | 16.50 | *** | 17.00 | *** | ||||
| Adj. R2 | 53% | 52% | 53% | |||||||
| N | 276 | 276 | 276 | |||||||
| β1 + β4 F-value | –0.0328 | 5.06 | ** | –0.0338 | 4.63 | ** | –0.0356 | 5.00 | ** | |
| β2 + β5 F-value | –0.0160 | 1.26 | –0.0209 | 1.85 | –0.0162 | 1.07 | ||||