| Total score | Normal (n = 290) | High (n = 700) | Significance | ||
| Average | SD | Average | SD | ||
| Factor 1 | 18.0 | 4.7 | 18.7 | 4.7 | 0.036 |
| Factor 2 | 24.2 | 3.3 | 23.1 | 3.6 | 0.000 |
| Factor 3 | 11.1 | 2.8 | 10.5 | 2.9 | 0.002 |
| All | 53.3 | 5.6 | 52.3 | 6.0 | 0.017 |