Table 1.
Meta-regression results (measuring MWTP in PPP$/kg).
| Meta-Regression 1 Interverntions’ Characteristics Coefficients (95%CI) |
Meta-Regression 2 Participants’ Characteristics Coefficients (95%CI) |
|
|---|---|---|
| Setting(in-person interview/questionnaire) | 3.48 * (0.14, 6.82) | |
| Message(reference group: Organic) | ||
| Sustainability | −3.62 * (−6.79, −0.44) | |
| Combined | −2.60 (−6.52, 1.32) | |
| Certification(reference group: certification label present) | 2 (−1.19, 5.21) | |
| Format (reference group: text format) | ||
| Label | −0.72 (−4.65, 3.2) | |
| Combined | −0.84 (−4.15, 2.46) | |
| Age | 6.6 (−13.48, 26.7) | |
| Gender: Female | 28.25 *** (12.83, 43.67) | |
| Income | 3.25 (−14.29, 20.81) | |
| Education | −28.81 *** (−36.95, −20.67) | |
| Obs. | 129 | 39 |
| R2 (%) | 7.45 | 56.41 |
| T2 | 53.19 | 11.27 |
| I2 (%) | 100 | 100 |
Note: Dependent variable is M WTP for labelled food and milk. *, *** indicate statistical at 0.05 and 0.001, respectively.