| survey data mean correlation matrix | |||||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | |
| 0 | 1.00 | 0.11 | 0.06 | 0.02 | 0.02 | 0.05 | 0.03 |
| 1 | 0.11 | 1.00 | 0.37 | 0.21 | 0.17 | 0.15 | 0.15 |
| 2 | 0.06 | 0.37 | 1.00 | 0.55 | 0.43 | 0.40 | 0.37 |
| 3 | 0.02 | 0.21 | 0.55 | 1.00 | 0.63 | 0.53 | 0.50 |
| 4 | 0.02 | 0.17 | 0.43 | 0.63 | 1.00 | 0.65 | 0.62 |
| 5 | 0.05 | 0.15 | 0.40 | 0.53 | 0.65 | 1.00 | 0.68 |
| 6 | 0.03 | 0.15 | 0.37 | 0.50 | 0.62 | 0.68 | 1.00 |