| Variable | Willingness to pay | Mean | Std. Err. | t-Stat |
| Household Size | No | 4.54 | 0.14 | 9.0268*** |
| Yes | 6.45 | 0.05 | ||
| Children under 5 years | No | 1.35 | 0.1 | 1.2419 |
| Yes | 1.21 | 0.03 | ||
| Monthly Income | No | 6264.77 | 824.22 | 3.6272*** |
| Yes | 10564.86 | 294.76 | ||
| Distance to the fuel source | No | 1.03 | 0.08 | 3.4499*** |
| Yes | 1.56 | 0.04 | ||
| Future amount of ICSs | No | 446 | 42.31 | 4.4123*** |
| Yes | 1750.955 | 74.64 | ||
| Land size | No | 4.81 | 0.57 | 1.4836 |
| Yes | 6.19 | 0.22 |