| Variable | coefficient | standard error | b/std. err. | Sig. | mean of x |
| LLM | −0.4913 | 4.15E−02 | −11.847 | 0 | 3.9612 |
| LLM * LLM | 4.98E−02 | 5.74E−03 | 8.666 | 0 | 17.058 |
| HHLS | −1.57E−04 | 4.93E−05 | −3.179 | 0 | 1076.5 |
| Constant | 10.376 | 9.81E−02 | 105.74 | 0 |