| Variables | CCB | CRB | CHB | CFB | AA | PI |
| CCB | 1 | |||||
| CRB | 0.880** | 1 | ||||
| CHB | 0.819** | 0.595** | 1 | |||
| CFB | 0.858** | 0.650** | 0.524** | 1 | ||
| AA | 0.483** | 0.481** | 0.288** | 0.258** | 1 | |
| PI | 0.572** | 0.543** | 0.437** | 0.481** | 0.597** | 1 |
| Mean | 10.93 | 3.60 | 3.78 | 3.55 | 12.6 | 3.66 |
| S.D. | 2.123 | 0.835 | 0.787 | 0.867 | 9.792 | 0.879 |