| Variables | Cronbach’s alpha | No of items |
| Information quality | 0.793 | 3 |
| Product quality | 0.692 | 2 |
| Delivery service | 0.831 | 7 |
| Product condition | 0.835 | 3 |
| Customer service | 0.822 | 4 |
| Reverse logistics | 0.839 | 4 |
| Customer satisfaction | 0.921 | 5 |
| Customer loyalty | 0.957 | 6 |