Prevalence and Etiological Factors of Dental Trauma among 12- and 15-Year-Old Schoolchildren of Lebanon: A National Study

Table 1

Univariate analyses of the factors associated with presence of dental trauma.

	Children examined (%)	Presence of dental trauma
Age
12 years	3984 (50.4%)	390 (9.8%)
15 years	3918 (49.6%)	433 (11.1%)
- value		0.066
School
Private	4434 (56.1%)	403 (9.1%)
Public	3468 (43.9%)	420 (12.1%)
- value		<0.001
Gender
Boys	3806 (48.2%)	665 (17.5%)
Girls	4096 (51.8%)	158 (3.9%)
- value		<0.001
Location
Rural	1811 (22.9%)	222 (12.3%)
Urban	1111 (14.1%)	109 (9.8%)
Suburban	4980 (63.0%)	492 (9.9%)
- value		0.014
Lip coverage
Adequate	7009 (88.6%)	555 (7.9%)
Inadequate	893 (11.4%)	268 (30.0%)
- value		0.034
Overjet
≤3 mm	7032 (89.0%)	566 (8.04%)
>3 mm	870 (11.0%)	257 (29.5%)
- value		<0.001