| Factors | Sample size | No. of items | Cronbach’s alpha |
| Factor 1 | 600 | 5 | 0.90 |
| Factor 2 | 600 | 5 | 0.83 |
| Factor 3 | 600 | 5 | 0.81 |
| Factor 4 | 600 | 5 | 0.91 |
| Factor 5 | 600 | 5 | 0.88 |
| Total | 600 | 25 | 0.94 |