Sociodemographic characteristics of youth open call participants (n=45)
| Variable | Count, n (%) | |
| Gender | Man | 24 (54) |
| Woman | 19 (42) | |
| Another gender | 1 (2) | |
| Prefer not to say | 1 (2) | |
| Age (years) | 15–17 | 11 (24) |
| 18–23 | 21 (47) | |
| 24–29 | 10 (22) | |
| >30 | 3 (7) | |
| Employment | Student | 38 (84) |
| Nonstudent/professional | 7 (16) | |
| Employment status/ year level in school | High school | 2 (4) |
| Senior high school | 18 (40) | |
| College | 11 (25) | |
| Graduate school | 9 (20) | |
| Nonstudent/professional | 5 (11) | |
| Major island group | Luzon | 27 (60) |
| Visayas | 9 (20) | |
| Mindanao | 9 (20) |