| 题项 | 总计 | 方差百分比 | 累积解释方差% | 
| 1 | 8.596 | 30.701 | 30.701 | 
| 2 | 3.099 | 11.069 | 41.770 | 
| 3 | 2.149 | 7.673 | 49.444 | 
| 4 | 2.029 | 7.245 | 56.689 | 
| 5 | 1.470 | 5.249 | 61.938 | 
| 6 | 1.340 | 4.786 | 66.724 | 
| 7 | 1.220 | 4.358 | 71.083 |