Table 1. Demographic and prevalence of usage from social network of cell-phone .
| Variables | Number | Percent |
| Age group (yr) | ||
| <19 | 66 | 18.6 |
| 20-21 | 148 | 41.7 |
| 22-23 | 87 | 24.5 |
| ≥24 | 54 | 15.2 |
| Educational semester | ||
| ≤3 | 148 | 48.7 |
| 4-6 | 103 | 33.9 |
| ≥7 | 53 | 17.4 |
| Gender | ||
| Male | 110 | 30.5 |
| Female | 251 | 69.5 |
| Educational level | ||
| Bachelor | 236 | 65.4 |
| General practitioner | 125 | 34.6 |
| Marital status | ||
| Single | 318 | 88.3 |
| Married | 45 | 12.7 |
| Living | ||
| In dormitories | 173 | 49.6 |
| With family | 188 | 52.4 |
| SIM Card | ||
| One | 133 | 36.9 |
| Over one | 228 | 63.1 |
| Type of social network | ||
| Viber | 211 | 58.1 |
| 221 | 60.9 | |
| Tango | 73 | 20.1 |
| Line | 129 | 35.5 |
| 101 | 27.8 | |
| Others | 62 | 17.1 |