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Non parametric correlations (Spearman-Rho) between NHP and other questionnaires (Beck Depression Inventory and Pittsburgh Sleep Quality Index).
| NHP and MFIS | NHP and BDI | NHP and PSQI |
|---|---|---|
| p < 0.0001 | p < 0.0001 | p < 0.0001 |
| r = 0.737 | r = 0.836 | r = 0.612 |
