Table 5.
Mixed logit regression result
| Attributesa | SD (SE) | WTP (£) [95% CI] | |
|---|---|---|---|
| Constant | |||
| Opt-in for health check | 3.126*** (0.267) | 4.113*** (0.258) | 36.22 [30.69 to 41.76] |
| Day of health check | |||
| On a weekday | − 0.101** (0.044) | REF | − 1.17 [− 2.18 to − 0.16] |
| At the weekend | 0.101** (0.044) | 0.681*** (0.050) | 1.17 [0.16 to 2.18] |
| Access to health check | |||
| Walk in and wait | − 0.248*** (0.043) | REF | − 2.87 [− 3.78 to − 1.96] |
| By appointment | 0.248*** (0.043) | 0.424*** (0.051) | 2.87 [1.96 to 3.78] |
| Provider of health check | |||
| Nurse | 0.539*** (0.071) | REF | 6.24 [4.61 to 7.88] |
| Pharmacist | 0.414*** (0.044) | 0.287*** (0.071) | 4.80 [3.90 to 5.69] |
| Trainee pharmacist | − 0.953*** (0.074) | 0.942*** (0.072) | − 11.04 [− 12.60 to − 9.48] |
| Duration of health check | |||
| 30 min | 0.153*** (0.025) | REF | 1.77 [1.21 to 2.32] |
| 45 min | − 0.153*** (0.025) | 0.057 (0.125) | − 1.77 [− 2.32 to − 1.21] |
| Follow-up call | |||
| No follow-up | − 0.308*** (0.040) | REF | − 3.57 [− 4.41 to − 2.72] |
| Follow-up call after 3 months | 0.308*** (0.040) | 0.509*** (0.045) | 3.57 [2.72 to 4.41] |
| Cost of health check | − 0.086*** (0.004) | ||
| Number of respondents | 404 | ||
| Log-likelihood | − 3604 | ||
| BIC | 7336 | ||
| McFadden Adjusted R2 | 0.326 | ||
BIC Bayesian information criterion, CI confidence interval, SD standard deviation, SE robust standard errors, WTP willingness-to-pay
***p < 0.01, **p < 0.05, *p < 0.1
aCategorical attribute levels were effects coded; the coefficient for the reference level (REF) was calculated by taking the negative sum of the estimated coefficients of all other levels