| Variable | Modalities | Frequency | Prop. | Cum. |
| Y1 = 0 | LCDE (Ex SNDE) | 298 | 56.65% | 56.65 |
| Y1 = 1 | Neighbors | 187 | 35.55% | 92.21 |
| Y1 = 2 | Private motorized borehole | 41 | 7.79% | 100.00 |