Table 3.
Statistical summary.
| Factor | Coefficient | CI [2.5%, 97.5%] |
SE | t | p value |
|---|---|---|---|---|---|
| Age | 0.030 | [.009, .051] | .011 | 2.79 | .006* |
| Diagnosis | 0.046 | [−.163, .254] | .106 | 0.432 | .666 |
| Occupational voice user | 1.55 | [.823, 2.29] | .373 | 4.17 | < .001* |
| Phonation threshold pressure | 0.024 | [−.055, .104] | .040 | 0.599 | .550 |
| GRBAS | 2.65 | [2.14, 3.17] | .264 | 10.08 | < .001* |
| Dysphonia Severity Index | −0.279 | [−.351, .208] | .036 | 7.68 | < .001* |
| Voice Handicap Index | 0.021 | [.006, .035] | .007 | 2.85 | .005* |
| Glottal airflow | 0.084 | [.044, .125] | .021 | 4.08 | .055 |
| Behavioral health diagnosis | −0.339 | [−1.73, 1.05] | .709 | −0.479 | .633 |
Note. CI = confidence interval; SE = standard error; GRBAS = grade, roughness, breathiness, asthenia, strain.
*
p < .05.