| Variables | Regression before correct HET | Regression after correct HET |
| Coefficient | Coefficient | |
| CONSTANT | 25.148 (10.41)*** | 25.148 (9.02)*** |
| PLANT | −0.861 (−0.59) | −0.861 (−0.71) |
| T | 3.559 (1.93) | 3.559 (2.30) |
| T*PLANT | 2.044 (0.96) | 2.044 (1.16) |
| GENDER | −1.921 (−1.84)* | −1.921 (−1.76)* |
| HSIZE | −3.183 (−9.16)*** | −3.183 (−7.29)*** |
| LSIZE | 3.385 (15.52)*** | 3.385 (6.15)*** |
| DISTAN | −1.618 (−7.33)*** | −1.618 (−7.28)*** |
| OFFWORK | 4.902 (5.14)*** | 4.902 (5.13)*** |
| LSECUR | 1.729 (1.85)* | 1.729 (2.13)** |
| LOAN | 3.223 (3.31)*** | 3.223 (3.96)*** |
|
| n = 720 R2: 0.5334 R2 Adjusted: 0.5269 Prob. > Chi2: 0.000 F value: 81.06 Durbin-Watson: 1.496 | n = 720 R2: 0.5334 R2 Adjusted: 0.5269 Prob. > Chi2: 0.000 F value: 81.06 Durbin-Watson: 1.496 |