| Relationship with managers | Philippine | 30 | 3.73 | 0.94 | 1.913 | 0.076 | - |
| Vietnamese | 165 | 3.61 | 1.00 | ||||
| Chinese | 75 | 3.33 | 1.39 | ||||
| Mongolian | 56 | 3.79 | 1.00 | ||||
| Korean Chinese | 157 | 3.38 | 1.26 | ||||
| Thai | 68 | 3.44 | 1.20 | ||||
| Korean | 504 | 3.52 | 0.95 | ||||
| Total | 1055 | 3.52 | 1.07 | ||||
| Working conditions | Philippine | 30 | 3.70 | 1.06 | 3.685 | 0.001 | No difference |
| Vietnamese | 165 | 3.62 | 1.06 | ||||
| Chinese | 75 | 3.16 | 1.39 | ||||
| Mongolian | 56 | 3.82 | 0.81 | ||||
| Korean Chinese | 157 | 3.39 | 1.16 | ||||
| Thai | 68 | 3.72 | 1.02 | ||||
| Korean | 504 | 3.62 | 1.00 | ||||
| Total | 1055 | 3.57 | 1.07 |