| Variable | Items |
| Trust | Managers in this firm feel that achievements are appreciated |
| I believe that this firm offers a supportive for e-SCM environment | |
| Most of the employee in this firm trust our manager | |
| I believe my manager always behaves in good will | |
| I believe that my employees sees the managers as responsible beings and does not need to control them | |
| Communication | Expected outcomes of the project are communicated to managers. |
| Expected outcomes of the project are communicated to workers. | |
| Expected outcomes of the project are communicated by top management in advance. | |
| Expected outcomes of the project are shared by workers | |
| Expected outcomes of the project are shared among workers across department | |
| Usage of e-SCM | Extent to which web applications are used in supplier selection (getting quotes, bids, etc.) |
| Extent to which web applications are used in purchase order processing | |
| Extent to which web applications are used in procurement from suppliers (distribution, warehouse, logistics, etc.) | |
| Extent to which web applications are used in invoicing and payment processing | |
| Extent to which web applications are used in demand management (procurement analysis) | |
| Firm Performance | Perceived, realized benefits from web-technology improved customer service |
| Perceived, realized benefits from web-technology better inventory control | |
| Perceived, realized benefits from web-technology reduced operations costs | |
| Perceived, realized benefits from web-technology better relationship with suppliers | |
| Perceived, realized benefits from web-technology reduced cycle time |