Table 1.
Demographic characteristics and other variables of the study population (n = 986).
| No. | Variable | Statistics∗ |
|---|---|---|
| 1 | Age | 20.9 ± 2.2 |
| 2 | Gender | |
| Male | 361 (36.9%) | |
| Female | 616 (63.1%) | |
| 3 | College | |
| Nursing and Midwifery | 152 (15.6%) | |
| Pharmacy and Pharm. D | 154 (15.8%) | |
| Dentistry | 159 (16.3%) | |
| Applied Medical Sciences | 212 (21.7%) | |
| Medicine and Surgery | 299 (30.6%) | |
| 4 | Academic year+ | |
| 1st | 156 (16.1%) | |
| 2nd | 218 (22.5%) | |
| 3rd | 150 (15.5%) | |
| 4th | 218 (22.5%) | |
| 5th | 120 (12.4%) | |
| 6th | 108 (11.1%) | |
| 5 | Medical problem | |
| Yes | 109 (11.2%) | |
| No | 868 (88.8%) | |
| 6 | Sleeping hours at night | |
| <5 | 155 (15.9%) | |
| 5–5.9 | 256 (26.3%) | |
| 6–6.9 | 310 (31.8%) | |
| >7 | 254 (26.1%) | |
| 7 | Frequency of using sleeping pills (prescribed or over the counter) | |
| Not during the past month | 757 (77.6%) | |
| Less than once a week | 103 (10.6%) | |
| Once or twice a week | 73 (7.5%) | |
| Three or more times a week | 43 (4.4%) | |
| 8 | Sleep quality | |
| Good | 570 (58.8%) | |
| Bad | 399(41.2%) | |
| 9 | Academic scores (CGPA) | |
| Below 2.5 | 45 (4.9%) | |
| 2.5–2.99 | 202 (26.7%) | |
| 3–3.49 | 321 (34.7%) | |
| 3.5 and above | 358 (38.7%) |
∗Statistics are expressed as mean ± SD for continuous variables and as a frequency for categorical variables. Numbers (proportions) of participants endorsing each response (N = 977). Variables are gender, colleges, level, sleeping hours, frequency of using sleeping pills, sleep quality, and CGPA. Students from the 6th academic year include only students from the Medicine and Pharm. D colleges.