Table 3 Propensity score variables (2015): mean value by treatment group (columns 1–3) and probit coefficients for group membership (columns 4–6)
| Â | (1) Control | (2) ES | (3) CB | (4) ES (vs. Control) | (5) CB (vs. Control) | (6) CB (vs. ES) |
|---|---|---|---|---|---|---|
High starting bid (2500 instead of 1500 RWF) | 0.47 | 0.49 | 0.54 | − 0.15 | 0.46*** | 0.05 |
Age of respondent (in yrs) | 46.5 | 44.0 | 43.7 | − 0.01 | − 0.02*** | − 0.01 |
Gender of respondent (male = 1) | 0.57 | 0.56 | 0.54 | 0.16 | − 0.35** | − 0.34** |
No primary schooling (or not completed) | 0.29 | 0.18 | 0.26 | − 0.49* | 0.06 | 0.28 |
Number of household members | 5.7 | 6.0 | 5.4 | 0.02 | − 0.10** | − 0.13*** |
Number of under-five children | 0.5 | 0.8 | 0.8 | 0.19 | 0.37*** | 0.04 |
Number of years in cooperative | 7.9 | 7.7 | 8.0 | − 0.07* | 0.07** | 0.02 |
Share of rice income in total income | 62.6 | 58.9 | 56.8 | 0.00 | − 0.01** | − 0.01** |
Size of land (in are = 100m2) | 7.9 | 3.7 | 5.9 | − 0.35*** | − 0.10*** | 0.25*** |
Perceived importance of rice cultivation for malaria risk (1 = not at all important, …, 4 = very important) | 3.5 | 3.1 | 3.4 | 0.00 | − 0.02 | 0.24* |
Frequency of mosquito bites in rice fields (1 = almost never, …, 4 = very often) | 3.8 | 3.4 | 3.4 | − 0.71*** | − 0.49*** | − 0.02 |
Malaria case in household in past year (0 = no; 1 = yes) | 0.68 | 0.65 | 0.77 | 0.06 | 0.68*** | 0.22 |
Ever heard of larviciding (0 = no; 1 = yes) | 0.01 | 0.33 | 0.04 | 2.36*** | 0.56 | − 1.74*** |
Confidence in larviciding to effectively reduce malaria risk (1 = not at all, …, 4 = very much) | 3.4 | 3.4 | 3.5 | − 0.11 | − 0.12 | 0.00 |
Trust in safety of larvicide application (1 = not at all, …, 4 = very much) | 2.8 | 3.2 | 3.2 | 0.65*** | 0.80*** | 0.08 |