Table 3. Comparison the sleep quality score in studied students based on demographic characteristics .
| Variables | Sleep Quality Score | P value | |
| Mean | SD | ||
| Gender | 0.182 | ||
| Female | 5.42 | 2.35 | |
| Male | 5.06 | 2.33 | |
| Educational level | 0.170 | ||
| Bachelor | 5.19 | 2.40 | |
| General physician | 5.37 | 2.20 | |
| Marital status | 0.638 | ||
| Single | 5.37 | 2.37 | |
| Married | 5.14 | 2.15 | |
| Residency | 0.033 | ||
| Parent’s house | 5.02 | 2.21 | |
| Dormitories | 5.56 | 2.49 | |
| Age group (yr) | 0.923 | ||
| <19 | 5.26 | 1.99 | |
| 20-21 | 5.36 | 2.31 | |
| 22-23 | 5.15 | 2.52 | |
| ≥24 | 5.28 | 2.31 | |
| Number of SIM card | 0.127 | ||
| 1 | 5.15 | 2.24 | |
| ≥2 | 5.55 | 2.52 | |
| Semester | 0.795 | ||
| ≤3 | 5.35 | 2.25 | |
| 4-6 | 5.14 | 2.44 | |
| ≥7 | 5.17 | 2.30 | |