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Summary of characteristics of the participants
| Characteristic | n (%) | Mean age (±SD) |
|---|---|---|
| Gender | ||
| Male | 1403 (48.6) | 24.9 (±11.5) |
| Female | 1483 (51.4) | 24.9(±12.2) |
| Age-group | ||
| Adolescent | 1457 (50.5) | 16.3 (±0.8) |
| Adult | 1429 (49.5) | 33.7 (±11.4) |
| Total | 2886 (100.0) | 24.9 (±11.9) |
n number of participants tested, SD standard deviation
