Table 2.
Average amount of food waste and household waste collected per sorting station in the control group (five stations) and in the treatment group (four stations) before and after implementation and the difference between the groups before and after implementation.
| Food waste Pre-intervention (T1) (kg, average per station) | Food waste Post-intervention (T2) (kg, average per station) | Difference (T2–T1) | |
|---|---|---|---|
| Control (CG) | 37.67 (29.76) | 27.81 (13.67) | −9.86 |
| Treatment (TG) | 57.31 (55.67) | 59.77 (25.04) | 2.46 |
| Difference (TG-CG) | 19.64 | 31.96 | |
| DiD (ATE)12.32 | |||
| Household waste Pre- intervention (T1) (kg, average per station) | Household waste Post-intervention (T2) (kg, average per station) | Difference (T2–T1) | |
| Control group (CG) | 419.03 (196.95) | 744.32 (190.49) | 312.6 |
| Treatment group (TG) | 472.45 (167.15) | 559.31 (152.92) | 99.7 |
| Difference (TG-CG) | 53.42 | −185.01 | |
| DiD (ATE) −212.9 |
Standard deviations in brackets. The Difference-in-difference (DiD), or the average treatment effect (ATE) is presented in italics.