Demographics of study participants
| Demographics | |
| Gender | % (n) |
| Male | 70.9% (1255) |
| Female | 28.7% (507) |
| Other | 0.4% (7) |
| Age, years | |
| <18 | 6.2% (109) |
| 18–30 | 80.1% (1417) |
| 31–45 | 9.4% (166) |
| 46–60 | 3.5%(63) |
| >60 | 0.8% (14) |
| Profession/studies | |
| Non-medical | 67.9% (1201) |
| Medical/dental/nursing students | 23.7% (419) |
| Medical doctors (other than ophthalmologists) | 3.9% (70) |
| Ophthalmologists | 1.4 (25) |
| Other medical field professions (eg, nursing) | 3.1% (54) |