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Dimensionality analysis of the PROMIS v1.2 Upper Extremity item bank.
| Eigen | % | |
|---|---|---|
| Total raw variance explained (total) | 49.92 | 100.0% |
| By measures | 30.92 | 65.9% |
| By persons | 25.19 | 53.7% |
| By items | 5.73 | 12.2% |
| Raw unexplained variance (total) | 16.00 | 34.1% |
| 1st contrast | 1.96 | 4.2% |
| 2nd contrast | 1.69 | 3.6% |
| 3rd contrast | 1.32 | 2.8% |
| 4th contrast | 1.19 | 2.5% |
