Table 5.
Household willingness to pay (wtp)1
| Variable | Stated WTP (tobit)2;3 |
SE | Hypothetical WTP(logit)4 | Robust SE | Previous exp. (OLS) | Robust SE |
| Age | -2.28*** | 0.79 | 0.87** | 0.06 | -2.75 | 2.10 |
| Formal schooling | 19.67*** | 4.96 | 0.92 | 0.36 | 5.32 | 12.15 |
| SES quintile (Q1-Q5) | 3.32*** | 1.09 | 1.00 | 0.09 | 3.37 | 2.74 |
| Quintile*formal schooling | -4.19*** | 1.42 | 1.07 | 0.13 | 0.49 | 4.13 |
| Household received IRS | -4.28** | 2.15 | 1.40* | 0.25 | 7.82 | 6.49 |
| Uses alternate method | -5.04* | 2.86 | 1.51* | 0.38 | n/a | n/a |
| Malaria cases | -3.21 | 12.23 | 11.37** | 10.86 | -12.65 | 35.86 |
| Constant | n/a | n/a | n/a | n/a | 13.62 | 19.41 |
| No. of observations | 980 | 980 | 980 |
1 Stated WTP and Previous expenditure expressed in Mozambican Meticals 24 MZN = 1 USD
2 Marginal effects after tobit y = E(wtpj0 <wtp < 100) = 76.88
3 Tobit censored observations: 52 left-censored at wtp < = 0; 404 uncensored; 524 right-censored at wtp > = 100
4 Odds ratios reported
Covariates: In addition to those shown, all regressions control for sex, occupation, number household members, number of nets owned, knowledge of
where nets are sold and price, receipt of free net in the past, frequency of net use, head of household respondent, and child under 5 present in the household
*Significantly different from 0 at 90 percent confidence
**Significantly different from 0 at 95 percent confidence
***Significantly different from 0 at 99 percent confidence