Table 2 Children’s characteristics according to risk of SDB
Variable | All children | Low-risk | High-risk | P-value | ||
|---|---|---|---|---|---|---|
N = 1350 | N = 1067 | N = 283 | ||||
n (%) | n (%) | n (%) | Â | |||
Personal characteristics | Sex | Female | 617 (45.7) | 503 (47.7) | 114 (40.3) | 0.040 |
Male | 733 (54.3) | 564 (52.9) | 169 (59.7) | |||
Age group, years | 6–9 | 705 (52.2) | 555 (52) | 150 (53) | 0.767 | |
10–12 | 645 (47.8) | 512 (48) | 133 (47) | |||
SDB symptoms | Snoring | Yes | 196 (14.4) | 77 (39.3) | 119 (60.7) | <0.001 |
Sleep apnea | Yes | 46 (3.4) | 11 (1) | 35 (76.1) | <0.001 | |
Mouth breathing | Yes | 284 (21) | 143 (13) | 141 (49.6) | <0.001 | |
Overweight | Yes | 142 (10.5) | 78 (7.3) | 64 (22.6) | <0.001 | |
Respiratory conditions | Asthma | Yes | 97 (7.2) | 54 (5.1) | 43 (15.2) | <0.001 |
Respiratory allergy | Yes | 214 (15.9) | 139 (13) | 75 (29.5) | <0.001 | |
Tonsillitis | Yes | 186 (13.8) | 119 (11.2) | 67 (23.7) | <0.001 | |
Adenoiditis | Yes | 108 (8.0) | 48 (4.5) | 60 (21.2) | <0.001 | |
Otitis media | Yes | 102 (7.6) | 54 (5.1) | 48 (17) | <0.001 | |
Orofacial symptoms | Digit sucking | Yes | 114 (8.4) | 70 (6.6) | 44 (15.5) | <0.001 |
Tooth grinding (day) | Yes | 47 (3.5) | 24 (2.2) | 23 (8.1) | <0.001 | |
Tooth grinding (sleep) | Yes | 126 (9.3) | 78 (7.3) | 48 (17) | <0.001 | |
Facial muscle pain | Yes | 14 (1.0) | 7 (0.7) | 7 (2.5) | 0.015 | |
TMJ pain on waking | Yes | 31 (2.3) | 7 (0.7) | 24 (8.5) | <0.001 | |