Demographic characteristics of the participants
| Total | n | n/N % |
| 2068 | 100 | |
| Sex | ||
| Male | 977 | 47.2 |
| Female | 1091 | 52.8 |
| Faculty | ||
| Medicine | 1604 | 77.6 |
| Dentistry | 205 | 9.9 |
| Pharmacy | 259 | 12.5 |
| Academic year | ||
| Second | 407 | 19.7 |
| Third | 484 | 23.4 |
| Fourth | 398 | 19.2 |
| Fifth | 444 | 21.5 |
| Sixth | 335 | 16.2 |
| Academic degree | ||
| 60–69 | 114 | 5.5 |
| 70–79 | 719 | 34.8 |
| 80–89 | 1050 | 50.8 |
| 90–100 | 185 | 8.9 |
| Marital Status | ||
| Single | 1921 | 92.9 |
| Engaged | 91 | 4.4 |
| Married | 55 | 2.7 |
| Widow | 1 | 0.0 |
| Job | ||
| No | 1750 | 84.6 |
| Yes | 318 | 15.4 |
| Residence | ||
| Countryside | 212 | 10.3 |
| City | 1856 | 89.7 |
| Living with family | ||
| No | 451 | 21.8 |
| Yes | 1617 | 78.2 |
| Smoking | ||
| No | 1812 | 87.6 |
| Yes | 256 | 12.4 |
| Hookah | ||
| No | 1736 | 83.9 |
| Yes | 332 | 16.1 |
| Alcohol | ||
| No | 1988 | 96.1 |
| Yes | 80 | 3.9 |