| Variable | VIF | 1/VIF |
| Health poor | 1.400 | 0.717 |
| Health good | 1.360 | 0.737 |
| Schoolyear | 1.300 | 0.768 |
| Age | 1.240 | 0.808 |
| Work farmer | 1.060 | 0.945 |
| Male | 1.040 | 0.957 |
| Risk yes | 1.040 | 0.965 |
| Risk no | 1.030 | 0.970 |
| Familyincome | 1.020 | 0.978 |
| Mean | VIF | 1.160 |