| Sociodemographic variables | n | % |
| Sex |
|
|
| Male | 14 | 33.3 |
| Female | 28 | 66.7 |
| Age group |
|
|
| ≤25 years | 29 | 69.0 |
| >25 years | 13 | 31.0 |
| High school type |
|
|
| Private school | 22 | 52.4 |
| Public school | 20 | 47.6 |
| Father’s degree of education |
|
|
| High school | 15 | 35.8 |
| Higher education | 27 | 64.2 |
| Mother’s degree of education |
|
|
| High school | 12 | 28.6 |
| Higher education | 30 | 71.4 |
| Complementary study source |
|
|
| Internet | 18 | 42.8 |
| Books /journals | 24 | 57.2 |
| Weekly study time |
|
|
| ≤5 hours | 16 | 38.1 |
| >5 hours | 26 | 61.9 |