Table 3 Oral habits and nose and throat conditions in preschool children aged 3–6 years
3 years old | 4 years old | 5 years old | 6 years old | Total | |
|---|---|---|---|---|---|
(n = 119) | (n = 171) | (n = 146) | (n = 67) | (n = 503) | |
Incompetent lip seal | 26.1% | 32.7% | 25.3% | 23.9% | 27.8% |
severe | 12.6% | 17.5% | 15.8% | 16.4% | 15.7% |
Habit | |||||
Nail biting | 16.0% | 22.2% | 17.1% | 19.4% | 18.9% |
Finger sucking | 7.6% | 8.2% | 6.8% | 9.0% | 7.8% |
Lip sucking or lip biting | 5.0% | 1.2% | 4.1% | 1.5% | 3.0% |
Chin resting on a hand | 0.8% | 0.6% | 6.2% | 7.5% | 3.2%a,b |
Nose and throat condition | |||||
Nasal obstruction | 30.3% | 34.5% | 27.4% | 26.9% | 30.4% |
Allergic rhinitis | 5.9% | 17.0% | 18.5% | 34.3% | 17.1%a,b |
Palatine tonsil hypertrophy | 1.7% | 4.1% | 3.4% | 6.0% | 3.6%c |