Table 3.
Prevalence of traumatic dental injuries (TDIs) among 12-year-old Jordanian schoolchildren (N = 1015) by demographic characteristics, socio-economic indicators, and physical characteristics
| Variable |
TDI |
No TDI |
Total |
P-value |
|---|---|---|---|---|
| N (%) | N (%) | N (%) | ||
|
Gender* |
|
|
|
|
| Male |
103 (18.9) |
442 (81.1) |
545 (53.7) |
P = 0.01 |
| Female |
62 (13.2) |
408 (86.8) |
470 (46.3) |
|
|
School area |
|
|
|
|
| Urban |
128 (15.6) |
693 (84.4) |
821 (80.9) |
P = 0.24 |
| Rural |
37 (19.1) |
157 (80.9) |
194 (19.1) |
|
|
School type |
|
|
|
|
| Private |
41 (16.4) |
209 (83.6) |
250 (24.6) |
P = 0.90 |
| Public |
92 (16.6) |
463 (83.4) |
555 (54.7) |
|
| UNRWA |
32 (15.2) |
178 (84.8) |
210 (20.7) |
|
|
Father's education level |
|
|
|
|
| High school or less |
90 (16.3) |
472 (83.7) |
562 (55.4) |
P = 0.96 |
| Diploma, Bachelor |
63 (16.4) |
321 (83.6) |
384 (37.9) |
|
| Post graduate degree |
12 (17.4) |
57 (82.6) |
69 (6.8) |
|
|
Mother's education level |
|
|
|
|
| High school or less |
103 (16.1) |
535 (83.9) |
638 (62.9) |
P = 0.37 |
| Diploma, Bachelor |
54 (16.2) |
280 (83.8) |
334 (32.9) |
|
| Post graduate degree |
8 (18.6) |
35 (81.4) |
43 (4.2) |
|
|
Family income |
|
|
|
|
| Less than enough |
52 (16.1) |
270 (83.9) |
322 (31.7) |
P = 0.64 |
| Enough |
110 (16.7) |
548 (83.3) |
658 (64.8) |
|
| More than enough |
1 (6.7) |
14 (93.3) |
15 (1.5) |
|
| No answer |
2 (10.0) |
18 (90.0) |
20 (2.0) |
|
|
Overjet* |
|
|
|
|
| ≤ 3 mm |
85 (14.2) |
513 (85.8) |
598 (58.9) |
P = 0.04 |
| >3 mm |
80 (19.2) |
337 (80.8) |
417 (41.1) |
|
|
Lip coverage** |
|
|
|
|
| Adequate |
51 (11.0) |
413 (89.0) |
464 (45.7) |
P = 0.00 |
| Inadequate |
114 (20.7) |
437 (79.3) |
551 (54.3) |
|
|
BMI |
|
|
|
|
| Obese |
12 (10.7) |
100 ( 89.3) |
112 (11.0) |
P = 0.09 |
| Non-obese |
153 (16.9) |
750 ( 83.1) |
903 (89.0) |
|
| Total | 165 (16.3) | 850 (83.7) | 1015 (100) |
*Statistically significant at P < 0.05, **statistically significant at P < 0.001.