What changes are reflected in the TFI Subscales as individuals progress through the CBT4T process?
- The study uses 24 sets of Tinnitus Functional Index (TFI) Outcomes
- Each person joining CBT4T completes a Tinnitus Functional Index initially, repeated and compared at Stages 4, 6, 7 and/or 8
- Data for this study is provided by individuals using the CBT4T programme during 2026 who have completed at least up to Stage 4
- Of the 24 sets of Outcomes, 15 are current and actively participating in the CBT4T programme at the time of publication (August 2026); 9 have completed
- Individual qualitative feedback and evaluations (and individual TFI results) can be viewed in Reviews
Note: Flexibility is built in to CBT4T so that every person uses the process at a pace that suits their own needs and responsibilities. This means that some individuals progress more quickly / more slowly through the Stages than others. View CBT4T Enrolment
Tinnitus Functional Index (TFI) percentage scores and categories:
- Category 5: 73-100% (very big problem)
- Category 4: 54-72% (big problem)
- Category 3: 32-53% (moderate problem)
- Category 2: 18-31% (small problem)
- Category 1: 0-17% (not a problem)
NOTE: CBT4T was developed specifically for those with an initial category 4 (54-72%) or 5 (73-100%) Tinnitus Functional Index (TFI). It has proven to be suitable for those with an initial category 3 (moderate problem), but those presenting with an initial category 2 (small problem) TFI are encouraged to consider the CBT4T-6 Module course rather than the main CBT4T programme.
Tinnitus Functional Index (TFI) outcomes are presented below in two parts:
- Average Percentage Improvement (API) for Tinnitus Functional Index (TFI) results at Stage 4, Stage 6 and Stage 7 or 8
- Average Percentage Improvement (API) for the TFI Subscales at Stage 4, Stage 6, and Stage 7 or 8
1. Average Percentage Improvement – Tinnitus Functional Index (TFI)
- Average Percentage Improvement (API) achieved by 24 CBT4T participants at Stage 4 & subsequent Stages 6, 7 or 8
- Average Percentage Improvement (API) is based on the initial TFI score when commencing the programme. For example, TFI score is improved at Stage 4 by 38.6%, at Stage 6 by 57.8%, by Stage 7 or 8 by 73.1%
- All CBT4T participants are encouraged to use the process up to Stage 6. Those satisfied with the difference they are experiencing by the end of Stage 6 sometimes decide not to formally continue to Stage 7 (4 modules) and the final Stage 8. Others continue to Stage 7 but not formally continue to Stage 8. The % Improvement in the Stage 7/8 column is the improvement at whichever was the final recorded TFI – either at Stage 7 or Stage 8.
Average Percentage Improvement (API) for Tinnitus Functional Index (TFI) results at Stage 4, Stage 6 and Stage 7 or 8:
2. Average Percentage Improvement (API) for the TFI Subscales
- Average Percentage Improvement (API) achieved by 24 CBT4T participants at Stage 4 & subsequent Stages 6, 7 or 8
- Average Percentage Improvement is based on the initial subscale score when commencing the programme. For example, Intrusiveness is improved at Stage 4 by 26.2%, at Stage 6 by 39.1%, by Stage 7 or 8 by 66.4%
- All CBT4T participants are encouraged to use the process up to Stage 6. Those satisfied with the difference they are experiencing by the end of Stage 6 sometimes decide not to formally continue to Stage 7 (4 modules) and the final Stage 8. Others continue to Stage 7 but not formally continue to Stage 8. The % Improvement in the Stage 7/8 column is the improvement at whichever was the final recorded Outcome – either at Stage 7 or Stage 8.
Average Percentage Improvement (API) for the TFI Subscales at Stage 4, Stage 6 and Stage 7 or 8
The study explores the detail of each TFI Subscale - links below
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