Table 1.
Descriptive analysis considering traumatic dental injury and independent variables in children 8 to 10 years of age.
| Individual variables | N | % |
|---|---|---|
| Traumatic dental injury | ||
| Yes | 120 | 16.2 |
| No | 619 | 83.8 |
| Gender | ||
| Male | 367 | 49.7 |
| Female | 372 | 50.3 |
| Child’s age | ||
| 8 years | 269 | 36.4 |
| 9 years | 240 | 32.5 |
| 10 years | 230 | 31.1 |
| Race | ||
| White | 255 | 34.6 |
| Non-White | 483 | 65.4 |
| Mother’s age | ||
| ≤ 35 years | 384 | 52.7 |
| > 35 years | 345 | 47.3 |
| Guardian’s schooling | ||
| ≤ 8 years of study | 317 | 43.0 |
| > 8 years of study | 420 | 57.0 |
| Guardian’s marital status | ||
| Single | 285 | 38.6 |
| Married | 453 | 61.3 |
| Practice of sports at school | ||
| Yes | 422 | 57.1 |
| No | 317 | 42.9 |
| Daily use of electronic devices | ||
| Yes | 450 | 61.0 |
| No | 288 | 39.0 |
| Screen time per day | ||
| Excessive (> 2 h) | 192 | 26.0 |
| Normal (≤ 2 h) | 492 | 66.6 |
| Family adaptability | ||
| Chaotic | 514 | 69.6 |
| Structured | 225 | 30.4 |
| Variables related to traumatic tooth injury | ||
| Where injury occurred | ||
| School | 25 | 22.9 |
| Home | 22 | 20.2 |
| Street | 26 | 23.9 |
| Does not remember | 42 | 33.0 |
| How injury occurred | ||
| Fall | 24 | 21.8 |
| Accidental collision | 30 | 27.3 |
| Traffic accident | 10 | 9.1 |
| Does not remember | 51 | 41.8 |
| Classification of injury | ||
| Non-complicated | 112 | 99.6 |
| Complicated | 08 | 0.4 |
| Number of teeth affected | ||
| One | 89 | 78.1 |
| Two or more | 31 | 21.9 |
| Contextual variables | N | % |
| Type of school | ||
| Public | 349 | 47.2 |
| Private | 390 | 52.8 |
| Type of courtyard | ||
| cement/ceramic/granite | 593 | 82.0 |
| Sand/grass | 130 | 18.0 |
| Stairs with handrail | ||
| Yes | 604 | 81.7 |
| No | 135 | 18.3 |