Table 3.
The proportion of sleep disorders among undergraduate medical students by the effect of gender
| Sleep Disorder | Female n = 548 | Male n = 493 | p value (χ2) |
|---|---|---|---|
| OSA | 50 (9.1%) | 76 (15.4%) | 0.002 |
| Insomnia | 103 (18.8%) | 88 (17.8%) | 0.694 |
| Affective disorder | 72 (13.1%) | 71 (14.4%) | 0.554 |
| SSM | 3 (0.5%) | 3 (0.6%) | 0.897 |
| Narcolepsy | 39 (7.1%) | 43 (8.7%) | 0.337 |
| RLS/PLMD | 72 (13.1%) | 36 (7.3%) | 0.002 |
| CRD | 65 (11.9%) | 73 (14.8%) | 0.162 |
| Sleep walking | 3 (0.5%) | 8 (1.6%) | 0.090 |
| Nightmares | 33 (6.0%) | 15 (3.0%) | 0.022 |
| Hypersomnia | 131 (23.9%) | 109 (22.1%) | 0.492 |
OSA: obstructive sleep apnea; SSM: sleep state misperception; RLS/PLMD: restless leg syndrome/periodic limb movement disorder; CRD: circadian rhythm disorder.