Table 1 Characteristics of the final analysis set by country
Characteristics | US | Germany | Mexico | Total | |
|---|---|---|---|---|---|
All subjects at baseline | N | 116 | 59 | 38 | 213 |
Sex,% | Male | 52.6 | 57.6 | 31.6 | 50.2 |
Female | 47.4 | 42.4 | 68.4 | 49.8 | |
Age at baseline (years) | Mean (SD) | 50.9 (7.1) | 46.0 (8.3) | 45.1 (9.4) | 48.5 (8.3) |
Educational Level in% | Less than 10 years of education | 3.5 | 37.3 | 47.4 | 20.9 |
10 or more years of education without a university degree | 45.6 | 44.1 | 26.3 | 41.7 | |
University degree | 50.9 | 18.6 | 26.3 | 37.4 | |
When did tinnitus start?, in% | <1 year ago | 16.8 | 30.5 | 50.0 | 26.7 |
>1 to 3 years ago | 26.6 | 18.6 | 34.2 | 25.7 | |
>3 to 5 years ago | 13.3 | 17.0 | 5.3 | 12.9 | |
>5 to 10 years ago | 19.5 | 17.0 | 5.3 | 16.2 | |
>10 years ago | 23.9 | 17.0 | 5.3 | 18.6 | |
Is your tinnitus always present? in% | Permanent without interruptions | 81.6 | 81.4 | 62.2 | 78.1 |
With short breaks (<1 hour) | 10.5 | 3.4 | 24.3 | 11.0 | |
With long breaks (>1 hour) | 7.9 | 15.3 | 13.5 | 11.0 | |
THI-12 total at baseline | Mean (SD) | 11.3 (5.1) | 11.5 (6.0) | 10.4 (4.6) | 11.2 (5.3) |
HADS Depression | Mean (SD) | 4.0 (3.2) | 6.5 (4.5) | 5.8 (3.0) | 5.0 (3.7) |
HADS Anxiety | Mean (SD) | 7.4 (3.5) | 9.0 (4.3) | 5.6 (3.9) | 7.5 (4.0) |