Table 3 Determinants of willingness to pay and expected signs
| Variable | Expected sign |
|---|---|
| Income | + |
| Education of household head | + |
| Education of spouse | + |
| Location (rural or urban) | +/- |
| Poor Health status | + |
| Sex of respondent | ? |
| Sex of household head | ? |
| Household size | +/- |
| Age | +/- |