| Hypotheses | Estimate | S.E. | C.R. | P | Decision |
| H1: PI ← AT | 0.195 | 0.057 | 3.389 | *** | Accepted |
| H2: PI ← PP | −0.248 | 0.048 | −5.182 | *** | Rejected |
| H3: PI ← PV | 0.562 | 0.079 | 7.136 | *** | Accepted |
| H4: PI ← CP | 0.292 | 0.078 | 3.726 | *** | Accepted |