| Variable | VIF |
| MonthNov | 6.73 |
| MonthMay | 5.35 |
| ProductRelated | 4.84 |
| ProductRelated_Duration | 4.63 |
| MonthDec | 3.64 |
| MonthMar | 3.53 |
| MonthOct | 2.42 |
| TrafficType2 | 2.42 |