Table 5.
Model coefficient, p-value, goodness-of-fit and effect size of binary logistic regression mode, considering “preferred method of disposal” and independent variables
| Parameter | BLR model coefficient | BLR p-value | Hosmer and Lemeshow test (goodness-of-fit) for BLR, p value | Effect size measure |
|---|---|---|---|---|
| Kerbside recycling bins for batteries | ||||
| Gender | − 0.061 | 0.779 | 0.441 |
r = 0.068 r^2 = 0.00462 |
| Age | 0.07 | 0.454 | ||
| Education | − 0.134 | 0.556 | ||
| Household size | 0.154 | 0.386 | ||
| Income | − 0.036 | 0.676 | ||
| Door-to-door collection | ||||
| Gender | − 0.082 | 0.806 | 0.115 |
r = 0.16 r^2 = 0.0256 |
| Age | − 0.074 | 0.601 | ||
| Education | 0.393 | 0.355 | ||
| Household size | 0.431 | 0.108 | ||
| Income | 0.188 | 0.132 | ||
| Disposal at supermarket/retail store with higher proximity | ||||
| Gender | − 0.433 | 0.056 | 0.319 |
r = 0.194 r^2 = 0.03763 |
| Age | − 0.084 | 0.388 | ||
| Education | 0.215 | 0.398 | ||
| Household size | − 0.533 | 0.005 | ||
| Income | 0.198 | 0.025 | ||
| A system that can return deposit as for “Return and Earn” bottle recycling | ||||
| Gender | 0.247 | 0.225 | 0.748 |
r = 0.146 r^2 = 0.02131 |
| Age | − 0.02 | 0.823 | ||
| Education | − 0.468 | 0.038 | ||
| Household size | 0.04 | 0.808 | ||
| Income | − 0.148 | 0.067 | ||
Bold numbers refer to significant correlations between the variables (p-value ≤ 0.05)