| Customer Trust Variables | Demographics Variables | Wald χ2 |
| 1. Sustainability of operation | Gender | 1.69 |
| Age | 5.58 | |
| Education | 1.57 | |
| Income | 0.18 | |
| Time | 5.94 | |
| 2. Keeping promises | Gender | 0.04 |
| Age | 0.04 | |
| Education | 0.76 | |
| Income | 0.29 | |
| Time | 1.99 | |
| 3. Best telecom services | Gender | 0.12 |
| Age | 0.19 | |
| Education | 2.38 | |
| Income | 0.09 | |
| Time | 0.03 | |
| 4. Business performance | Gender | 0.01 |
| Age | 1.45 | |
| Education | 2.13 | |
| Income | 1.07 | |
| Time | 0.54 | |
| 5. Company authority and management | Gender | 0.19 |
| Age | 0.12 | |
| Education | 0.01 | |
| Income | 0.01 | |
| Time | 2.78 |