| Income level | Internet | Price | Logistics | BMshare | Skupp | Choice preference |
Income level | 1 | −0.682** | −0.180** | 0.009 | −0.078** | −0.136** | 0.096** |
Internet | −0.682** | 1 | 0.025** | −0.259** | −0.054** | 0.017* | −0.039** |
Price | −0.180** | 0.025** | 1 | 0.133** | 0.253** | 0.787** | −0.075** |
Logistics cost | 0.009 | −0.259** | 0.133** | 1 | 0.322** | 0.123** | −0.158** |
BMshare | −0.078** | −0.054** | 0.253** | 0.322** | 1 | 0.208** | −0.552** |
SMpp | −0.136** | 0.017* | 0.787** | 0.123** | 0.208** | 1 | 0.123** |
Choice preference | 0.096** | −0.039** | −0.075** | −0.158** | −0.552** | 0.123** | 1 |