| Parameter | No. | % |
| Age | ||
| ≤25 | 224 | 98.2 |
| >25 | 4 | 1.7 |
| Sex | ||
| Male | 92 | 41.2 |
| Female | 134 | 58.8 |
| Marital status |
|
|
| Single | 210 | 92.1 |
| Married | 18 | 7.9 |
| Family income |
|
|
| 2000 SR* | 20 | 8.8 |
| 8000 SR or more | 208 | 91.3 |
| Body mass index (BMI) | ||
| <18.5 | 12 | 5.2 |
| 18.5 - 24.9 | 79 | 34.6 |
| 25 - 29.9 | 63 | 27.6 |
| 30 - 34.9 | 44 | 19.3 |
| >35 | 30 | 13.2 |
| Psychic stress and irritability | ||
| Yes | 136 | 59.6 |
| No | 92 | 40.4 |
| Smoking |
|
|
| Yes | 3 | 1.3 |
| No | 225 | 98.7 |