| Model 1 | Model 2 | |||
|---|---|---|---|---|
| Price | Income | Price | Income | |
| Income cat. 1 | −1.60 | 0.12 | −1.60 | 0.41 |
| Income cat. 2 | −1.61 | 0.26 | −1.63 | 0.63 |
| Income cat. 3 | −1.63 | 0.43 | −1.63 | 0.70 |
| Income cat. 4 | −1.58 | 0.61 | −1.58 | 0.64 |
| Income cat. 5 | −1.60 | 0.92 | −1.46 | 0.48 |
| Average | −1.60 | 0.59 | −1.56 | 0.60 |