| Variables | n | % | |
| Sex | Male | 266 | 56 |
| Female | 209 | 44 | |
| Age (year) | 18 - 21 | 197 | 41.5 |
| 22 - 25 | 278 | 58.5 | |
| Year of study | 1st | 127 | 26.7 |
| 2nd | 108 | 22.7 | |
| 3rd | 107 | 22.5 | |
| 4th | 133 | 28 | |
| Residential status | With family | 137 | 28.8 |
| Without family | 338 | 71.2 | |