Table 1.
Baseline socio-demographic and clinical characteristics of the study cohort (n = 312).
| Investigated Trait | n | % |
|---|---|---|
| Gender: | ||
| Female | 219 | 70.2 |
| Male | 93 | 29.8 |
| Age group (years): | ||
| <20 | 17 | 5.4 |
| 20–25 | 238 | 76.3 |
| 26–30 | 44 | 14.1 |
| >30 | 13 | 4.2 |
| Place of residence: | ||
| Metropolitan area | 241 | 77.2 |
| Rural area | 71 | 22.8 |
| Field of study (faculty): | ||
| Medicine | 143 | 45.8 |
| Non-medical | 169 | 54.2 |
| Refractive errors: | ||
| None | 108 | 34.9 |
| Myopia (alone) | 94 | 30.4 |
| Hyperopia (alone) | 13 | 4.2 |
| Astigmatism (alone) | 24 | 7.8 |
| Myopia and astigmatism | 67 | 21.7 |
| Hyperopia and astigmatism | 3 | 1.0 |
| Use of contact lenses (overall): | 93 | 29.8 |
| ≤1 year | 19 | 20.4 |
| 2–3 years | 17 | 18.3 |
| Over 3 years | 57 | 61.3 |
| Contact lens tolerance: | ||
| Good | 79 | 85.9 |
| Not good | 13 | 14.1 |
| Regular, daily basis use tobacco products | 74 | 23.7 |
| History of SARS-CoV-2 infection | 173 | 55.4 |
| Vaccination against COVID-19 | ||
| No | 41 | 13.1 |
| Full dose, and a third booster | 133 | 42.6 |
| Full dose (2 of two-dose, or 1 single-dose vaccine) | 134 | 43.0 |
| Incomplete dose (1 dose of two-dose vaccine) | 4 | 1.3 |