| 提取载荷平方和 | |||
| 成分 | 特征根值 | 方差贡献率% | 累计方差贡献率% | 
| Factor 1 | 3.328 | 27.73% | 27.73% | 
| Factor 2 | 3.025 | 25.21% | 52.94% | 
| Factor 3 | 1.347 | 11.23% | 64.16% | 
| Factor 4 | 1.033 | 8.60% | 72.77% |