| N | Minimum | Maximum | Mean | Std. Deviation | Skewness | Kurtosis | |
| PU1 | 405 | 1.00 | 5.00 | 1.85 | 1.30 | 1.40 | 0.62 |
| PU2 | 405 | 1.00 | 5.00 | 1.81 | 1.25 | 1.48 | 1.03 |
| PU3 | 405 | 1.00 | 5.00 | 2.01 | 1.22 | 1.11 | 0.23 |
| PU4 | 405 | 1.00 | 5.00 | 2.52 | 1.25 | 0.51 | −0.72 |
| PEOU1 | 405 | 1.00 | 5.00 | 2.00 | 1.27 | 1.09 | 0.03 |
| PEOU2 | 405 | 1.00 | 5.00 | 2.08 | 1.24 | 1.01 | −0.02 |
| PEOU3 | 405 | 1.00 | 5.00 | 3.21 | 1.29 | −0.24 | −1.01 |
| PEOU4 | 405 | 1.00 | 5.00 | 2.10 | 1.16 | 1.06 | 0.40 |
| IU1 | 405 | 1.00 | 5.00 | 1.81 | 1.23 | 1.49 | 1.10 |
| IU2 | 405 | 1.00 | 5.00 | 2.05 | 1.18 | 1.06 | 0.28 |
| IU3 | 405 | 1.00 | 5.00 | 1.83 | 1.25 | 1.49 | 1.04 |
| SQ1 | 405 | 1.00 | 5.00 | 2.10 | 1.16 | 1.00 | 0.23 |
| SQ2 | 405 | 1.00 | 5.00 | 1.96 | 1.11 | 1.14 | 0.59 |
| TC1 | 405 | 1.00 | 5.00 | 3.53 | 1.33 | −0.55 | −0.85 |
| TC2 | 405 | 1.00 | 5.00 | 3.43 | 1.33 | −0.51 | −0.89 |
| TC3 | 391 | 1.00 | 5.00 | 3.38 | 1.32 | −0.46 | −0.92 |
| AC1 | 405 | 1.00 | 5.00 | 2.40 | 1.19 | 0.51 | −0.63 |
| AC2 | 405 | 1.00 | 5.00 | 3.16 | 1.21 | −0.22 | −0.85 |
| AC3 | 405 | 1.00 | 5.00 | 2.28 | 1.35 | 0.69 | −0.74 |