Table 8.
Mixed model ANCOVA for difference values (pre vs. post) of primary outcomes
| df (numerator, denominator) | F-statistic | p-value | η p 2 | |
|---|---|---|---|---|
| Change VAS total | ||||
| Hearing loss (HL_1/2oct)a | 1, 80 | 0.944 | .334 | .012 |
| Group (HL_1/2oct corrected) | 1, 80 | 1.594 | .217 | .019 |
| Listening times total (LTT) | 1, 68 | 2.036 | .019* | .079 |
| Group (LTT corrected) | 1, 68 | 1.666 | .201 | .024 |
| Tinnitus pitch SDb | 1, 80 | 3.839 | .054 | .046 |
| Group (tinnitus pitch SD corrected) | 1, 80 | 1.406 | .239 | .017 |
| Age | 1, 80 | 0.167 | .684 | .002 |
| Group (Age corrected) | 1, 80 | 1.534 | .219 | .019 |
| Change THQ total | ||||
| Hearing loss (HL_1/2oct) | 1, 79 | 1.196 | .277 | .015 |
| Group (HL_1/2oct corrected) | 1, 79 | 0.621 | .433 | .008 |
| Listening times total (LTT) | 1, 67 | 0.244 | .623 | .004 |
| Group (LTT corrected) | 1, 67 | 0.157 | .693 | .002 |
| Tinnitus pitch SDb | 1, 79 | 1.633 | .205 | .020 |
| Group (tinnitus pitch SD corrected) | 1, 79 | 0.752 | .389 | .009 |
| Age | 1, 79 | .500 | .481 | .006 |
| Group (Age corrected) | 1, 79 | .592 | .444 | .007 |
aHL_1/2oct = hearing loss in the range of ½ octave around the individual tinnitus frequency; bTinnitus pitch SD = standard deviation of ten tinnitus pitch measurements before training
* = p < .05