Table 2. Relationships between insomnia and student characteristics
| Characteristics | Insomnia, n (%) | p |
| Yes | No |
| Gender |
| Male | 49 (53.8) | 42 (46.2) | 0.782 |
| Female | 44 (51.8) | 41 (48.2) |
| Academic year |
| 1st | 14 (43.8) | 18 (56.3) | 0.705 |
| 2nd | 14 (66.7) | 7 (33.3) |
| 3rd | 15 (51.7) | 14 (48.3) |
| 4th | 16 (50) | 16 (50) |
| 5th | 11 (52.4) | 10 (47.6) |
| 6th | 23 (56.1) | 18 (43.9) |
| Having part-time job(s) |
| Yes | 13 (38.2) | 21 (61.8) | 0.058 |
| No | 80 (56.3) | 62 (43.7) |
| Living with |
| Family | 34 (52.3) | 71 (47.7) | 0.7 |
| Relatives | 4 (36.4) | 7 (63.6) |
| Friend | 47 (54.7) | 39 (45.3) |
| Alone | 8 (57.1) | 6 (42.9) |
| Sleep environment |
| Same room, same bed | 20 (38.5) | 32 (61.5) | 0.028 |
| Same room, separated bed | 22 (56.4) | 17 (43.6) |
| Same room, bunk bed | 16 (48.5) | 17 (51.5) |
| Separated room | 35 (67.3) | 17 (32.7) |
| Exercise |
| Yes | 18 (56.3) | 14 (43.8) | 0.669 |
| No | 75 (52.1) | 69 (47.9) |
| BMI classification |
| Obese Type 1 | 13 (76.5) | 4 (23.5) | 0.109 |
| Obese Type 2 | 1 (50) | 1 (50) |
| Normal | 57 (49.1) | 59 (50.9) |
| Underweight | 13 (68.4) | 6 (31.6) |
| Pre-obese | 9 (40.9) | 13 (59.1) |