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Parameters selected in the backward selection method model for predicting rated level of distress based on acoustic parameters.
| Mean (SD) | β | p-value | |
|---|---|---|---|
| Intercept | NA | −19.0 | 0.22 |
| Duration (ms) | 1030.6 (450.9) | 0.02 | <0.0001 |
| Average pitch (f0) | 479.8 (66) | 0.09 | <0.025 |
| Spectral ratio | 1.77 (1.3) | −0.92 | <0.001 |
| Number of regimes | 2.4 (1.4) | 7.0 | <0.003 |
