| USE |
|
| |||
| INFORMATION | NON | OUI | Total | Khi-deux | IC |
| NON | 20 | 0 | 20 | 25.237 | 2.042; 3.020; |
| OUI | 60 | 89 | 149 | ||
| Total | 80 | 89 | 169 | ||