Table 2.
Demographic details
| All countries (n=404) |
India (n=101) |
Iran (n=100) |
Portugal (n=103) |
UK (n=100) |
|
|---|---|---|---|---|---|
| Age, years (mean ± SD) | 41.14±16.8 | 42.82±14.6 | 41.47±14.8 | 38.70±19.6 | 41.62±17.5 |
| Sex (% male) | 50.2 | 46.6 | 51 | 49.5 | 54 |
| Education (%) | |||||
| • Compulsory | 17.4 | 24.8 | 7 | 29.1 | 8 |
| • Secondary | 24.4 | 7.9 | 11 | 44.7 | 33 |
| • Tertiary | 58.2 | 67.3 | 82 | 26.2 | 59 |
| Profession (%) | |||||
| • Nonmanual | 46.3 | 49.5 | 53 | 19.4 | 64 |
| • Manual | 16.6 | 16.8 | 27 | 13.6 | 9 |
| • No occupation | 37.1 | 33.7 | 20 | 67 | 27 |
| Family history of hearing loss (% yes) | 40.1 | 29.7 | 31 | 49.5 | 50 |