Table 2.
Prevalence of sleep disorders by age groups and gender groups
| Age (years), n (%) | P-value | Gender, n (%) | P-value | |||||
|---|---|---|---|---|---|---|---|---|
| 6–9 years old (n = 550) |
10–12 years old (n = 79) |
Female (n = 82) |
Male (n = 547) |
|||||
| Sleep disorder | 376 (68.4) | 64 (81.0) | 0.02 | 59 (72.0) | 381 (69.7) | 0.67 | ||
| Type of sleep disorders | Insomnia | 218 (39.6) | 35 (44.3) | 0.43 | 35 (42.7) | 218 (39.9) | 0.63 | |
| Delayed sleep–wake phase disorder | 12 (2.2) | 18 (22.8) | 0.00 | 2 (2.4) | 28 (5.1) | 0.41 | ||
| Obstructive sleep apnea | 129 (23.5) | 18 (22.8) | 0.89 | 15 (18.3) | 132 (24.1) | 0.24 | ||
| Restless legs syndrome | 60 (10.9) | 6 (7.6) | 0,37 | 9 (11.0) | 57 (10.4) | 0.88 | ||
| Parasomnia | 155 (28.2) | 20 (25.3) | 0.59 | 27 (32.9) | 148 (27.1) | 0.27 | ||
| Type of parasomnias | Sleep terrors | 58 (10.5) | 7 (8.9) | 0.65 | 11 (13.4) | 54 (9.9) | 0.33 | |
| Nightmares | 44 (8.0) | 8 (10.1) | 0.52 | 8 (9.8) | 44 (8.0) | 0.60 | ||
| Sleepwalking | 35 (6.4) | 4 (5.1) | 0.81 | 8 (9.8) | 31 (5.7) | 0.15 | ||
| Confusional arousals | 113 (20.5) | 12 (15.2) | 0.27 | 19 (23.3) | 106 (19.4) | 0.42 | ||