| Variable | Item | Factor load | Cronbach’s coefficient (α) | Combined reliability (CR) |
| Information technology level | IT1 | 0.695 | 0.832 | 0.779 |
| IT2 | 0.660 | |||
| IT3 | 0.744 | |||
| IT4 | 0.636 | |||
| Information exchange level | IC1 | 0.686 | 0.741 | 0.776 |
| IC2 | 0.729 | |||
| IC3 | 0.640 | |||
| IC4 | 0.668 | |||
| Synergy effect | SE1 | 0.717 | 0.787 | 0.789 |
| SE2 | 0.629 | |||
| SE3 | 0.675 | |||
| SE4 | 0.758 | |||
| Inter-firm value co-creation | CD1 | 0.635 | 0.905 | 0.894 |
| CD2 | 0.627 | |||
| CD3 | 0.704 | |||
| CD4 | 0.670 | |||
| CA1 | 0.667 | |||
| CA2 | 0.534 | |||
| CA3 | 0.633 | |||
| CR1 | 0.668 | |||
| CR2 | 0.636 | |||
| CR3 | 0.687 | |||
| CT1 | 0.523 | |||
| CT2 | 0.536 | |||
| CT3 | 0.610 |