Table 1. Distribution of the children’s characteristics included in the study.
| Variable | Mean ± sd | Limits |
|---|---|---|
| Father’s age (years) | 36.09 ± 6.30 | 22–65 |
| Mother’s age (years) | 33.13 ± 5.44 | 20–54 |
| Number of decayed teeth | 4.94 ± 3.00 | 0–16 |
| Number of filled teeth | 0.61 ± 1.67 | 0–16 |
| Oral Hygiene (S-OHI) | 1.10 ± 0.32 | 0–2.5 |
| n | % | |
| Sex | ||
| Boys | 399 | 47.9 |
| Girls | 434 | 52.1 |
| Children’s age | ||
| 6 years | 376 | 45.1 |
| 7 years | 457 | 54.9 |
| Family size (number of children) | ||
| 0–1 | 389 | 46.7 |
| 2–3 | 397 | 47.7 |
| >4 | 47 | 5.6 |
| Started toothbrushing | ||
| ≤2 years of age | 207 | 24.8 |
| >2 years of age | 626 | 75.2 |
| Toothbrushing frequency | ||
| At least 1/day | 414 | 49.7 |
| Less than 1/day | 419 | 50.3 |
| Age at which bottle feeding ceased | ||
| Not use or up to two years | 681 | 81.7 |
| After two years | 152 | 18.3 |
| Consumption of sugar from sweets | ||
| Low | 370 | 44.4 |
| Regular | 193 | 23.2 |
| High | 270 | 32.4 |
| Sugared soft drink consumption | ||
| ≤1 times/day | 751 | 90.2 |
| >1 times/day | 82 | 9.8 |
| Type of dental care in the past year | ||
| Without dental care | 326 | 39.1 |
| Curative care | 348 | 41.8 |
| Preventive care | 159 | 19.1 |
| Type of insurance | ||
| Public insurance | 562 | 67.5 |
| Not insured | 134 | 16.1 |
| Private insurance | 137 | 16.4 |
| Socioeconomic status | ||
| First tertil (lowest) | 277 | 33.2 |
| Second tertil | 278 | 33.4 |
| Third tertil (highest) | 278 | 33.4 |
| School type | ||
| Private | 157 | 18.8 |
| Public | 676 | 81.2 |
| Car ownership | ||
| No | 383 | 46.0 |
| yes | 450 | 54.0 |