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Tetrachoric correlation matrix of the four “significant conditions”.
| Walking Problems Yes (Ref: No) | Vertigo Yes (Ref: No) | Balance Problems Yes (Ref: No) | Orientation Problems Yes (Ref: No) | |
|---|---|---|---|---|
| Walking problems yes (ref: no) | 1 | 0.507 | 0.592 | 0.352 |
| Vertigo yes (ref: no) | 1 | 0.86 | 0.5103 | |
| Balance problems yes (ref: no) | 1 | 0.6285 | ||
| Orientation problems yes (ref: no) | 1 |
