Table 1.
Descriptive statistics for water heater by energy source requested.
| Attributes | Electro-solar | Electric | LPG (bottled) | STEG gas | Total |
|---|---|---|---|---|---|
| Housing characteristics | |||||
| Occupancy status | |||||
| Tenant (%) | 26 | 9.68 | 17.95 | 23.36 | 19.21 |
| Owner (%) | 74 | 90.32 | 82.05 | 76.64 | 80.79 |
| Type of housing | |||||
| Appartment (%) | 14 | 6.45 | 9.1 | 32.71 | 13.81 |
| Traditional (%) | 16 | 17.74 | 23.45 | 7.94 | 19.65 |
| Popular (%) | 25 | 19.35 | 19.35 | 21.96 | 30.74 |
| Villa (%) | 45 | 56.45 | 56.45 | 37.38 | 37.81 |
| Household characteristics | |||||
| Income (Tunisian dinar) | 1084 | 510.96 | 556.55 | 764.73 | 636.05 |
| Mean household size | 4.16 | 4.48 | 4.49 | 4.07 | 4.38 |
| Region | |||||
| Communal (%) | 79 | 75.81 | 85.18 | 94.86 | 85.94 |
| Rural (%) | 21 | 24.19 | 14.82 | 5.14 | 14.06 |
| Level of education | |||||
| Illiterate (%) | 10 | 9.68 | 11.05 | 10.28 | 10.74 |
| Primary (%) | 10 | 20.97 | 24.84 | 14.49 | 21.4 |
| Secondary (undergraduate) (%) | 19 | 19.35 | 23.54 | 16.82 | 21.66 |
| Secondary (second cycle) (%) | 21 | 24.19 | 23.67 | 28.97 | 24.45 |
| Faculty (%) | 40 | 25.81 | 16.91 | 29.44 | 21.75 |
| Dummy for connection to the natural gas network (%) | 5.65 | 3.18 | 19.79 | 71.38 | 24.72 |
| Total observation | 100 | 62 | 769 | 214 | 1145 |