From: Values for preventing influenza-related morbidity and vaccine adverse events in children
Variable | Type of variable | Impact on WTP | 95 % CI | P value |
---|---|---|---|---|
Independent variables: | Â | Â | Â | Â |
   WTP amounts1 |  |  |  |  |
Dependent variables: | Â | Â | Â | Â |
Baseline2 | Constant | 0.9368 | (0.3763, 2.3324) | 0.8864 |
Age3 | Â | Â | Â | Â |
   18–34 | Binary | 1.1458 | (0.5055, 2.5974) | 0.7401 |
   35–49 | Binary | 1.6824 | (0.8564, 3.3049) | 0.1265 |
   50–64 | Binary | 1.3450 | (0.6492, 2.7865) | 0.4177 |
Female | Binary | 0.7866 | (0.5222, 1.1851) | 0.2444 |
Education: Some college or less | Binary | 0.9690 | (0.6066, 1.5479) | 0.8934 |
Not married | Binary | 0.7606 | (0.4610, 1.2551) | 0.2773 |
Health (Worse than average) | Binary | 1.1183 | (0.7166, 1.7451) | 0.6166 |
No children under 18 in household | Binary | 1.1254 | (0.6360, 1.9911) | 0.6797 |
Version (initial bid)4 | Â | Â | Â | Â |
   1 ($100) | 4 binary variables, one for each initial bid | 1.3809 | (0.7945, 2.4001) | 0.2460 |
   2 ($200) |  | 1.0257 | (0.5832, 1.8040) | 0.9286 |
   3 ($25) |  | 0.7572 | (0.4293, 1.3355) | 0.3293 |
Income (less than 3X poverty level) | Binary | 0.9811 | (0.4957, 1.9416) | 0.9554 |
Number of disease experienced: None | Binary (0 v. 1 or more) | 0.6862 | (0.4216, 1.1169) | 0.1254 |