Table 4. Validation of willingness to pay (WTP).
| Variables | Logit: | Regression on log of positive values of maximum WTP per hour for | |||||||||
| WTP positive, Exp(B) | Eating | Playing | Relaxing | Gardening | Maintenance | ||||||
| Household characteristics | |||||||||||
| Resident of Monmouth county | 0.376 | −0.082 | 0.006 | −0.053 | 0.029 | 0.004 | |||||
| Has one or more children less than 18 | 0.409 | 0.100 | 0.074 | 0.121 | 0.071 | 0.101 | |||||
| Associate degree or higher | 0.055 | ** | −0.014 | −0.022 | 0.151 | −0.080 | −0.073 | ||||
| Elderly | 0.482 | −0.022 | −0.066 | −0.056 | 0.079 | −0.039 | |||||
| Female | 0.284 | −0.128 | −0.206 | + | −0.184 | + | −0.086 | −0.14 | |||
| Employed full time | 0.811 | 0.187 | 0.155 | 0.043 | 0.167 | −0.009 | |||||
| Number of people living in household | 0.978 | −0.054 | 0.046 | −0.094 | 0.083 | 0.038 | |||||
| Exposure to mosquitoes | |||||||||||
| Hours they would have spent on yard and porch activities | 1.009 | 0.000 | −0.002 | 0.072 | −0.057 | 0.055 | |||||
| Perceived severity of mosquitoes (severe or horrible vs. somewhat or less) | 1.926 | −0.056 | −0.070 | −0.077 | −0.126 | −0.118 | |||||
| Cost associated with mosquitoes ($ during summer) | |||||||||||
| Mosquito control in household | 1.037 | 0.133 | 0.129 | 0.159 | 0.158 | 0.146 | |||||
| Medical expenditures for bites | 1.149 | 0.215 | + | 0.208 | + | 0.208 | + | 0.157 | 0.296 | * | |
| Model summary | |||||||||||
| Number of observations | 119 | 102 | 91 | 106 | 90 | 85 | |||||
| Log likelihood | 44.158 | ||||||||||
| Chi squared | 24.508 | * | |||||||||
| Adjusted R-squared | 0.034 | 0.024 | 0.05 | −0.02 | −0.003 | ||||||
+
p< 0.1;
* p<0.05;
** p<0.01.