TABLE 2. CCL prevalence regarding the studied variables.
| Variables | with caries | caries free | Total | p | ||||
|---|---|---|---|---|---|---|---|---|
| n | % | N | % | n | % | |||
| Age group | Up to 17 | 0 | 0 | 14 | 100.0 | 14 | 100.0 | 0.059 |
| (months) | 18 to 36 | 12 | 22.2 | 42 | 77.8 | 54 | 100.0 | |
| Economic | High | 4 | 9.3 | 39 | 90.7 | 43 | 100.0 | 0.044* |
| classification** | Low | 8 | 32.0 | 17 | 68.0 | 25 | 100.0 | |
| Father's education level | Up to 8 | 10 | 23.3 | 33 | 76.7 | 43 | 100.0 | 0.187 |
| (years of study) | 9 or more | 2 | 8.0 | 23 | 92.0 | 25 | 100.0 | |
| Mother's education level | Up to 8 | 10 | 29.4 | 24 | 70.6 | 34 | 100.0 | 0.013* |
| (years of study) | 9 or more | 2 | 5.9 | 32 | 94.1 | 34 | 100.0 | |
| Father's age | Up to 25 | 3 | 10.0 | 27 | 90.0 | 30 | 100.0 | 0.204 |
| (years) | 26 or more | 9 | 23.7 | 29 | 76.3 | 38 | 100.0 | |
| Mother's age | Up to 25 | 4 | 11.1 | 32 | 88.9 | 36 | 100.0 | 0.203 |
| (years) | 26 or more | 8 | 25.0 | 24 | 75.0 | 32 | 100.0 | |
| Duration of breast | Up to 12 | 6 | 12.8 | 41 | 87.2 | 47 | 100.0 | 0.022* |
| feeding (months) | 13 or more | 6 | 42.9 | 8 | 57.1 | 14 | 100.0 | |
| Duration of bedtime | Up to 12 | 0 | 0 | 14 | 100.0 | 14 | 100.0 | 0.059 |
| feeding (months) | 13 or more | 12 | 22.2 | 42 | 77.8 | 54 | 100.0 | |
| Duration of nighttime | Up to 12 | 3 | 11.1 | 24 | 88.9 | 27 | 100.0 | 0.197 |
| feeding (months) | 13 or more | 9 | 26.5 | 25 | 73.5 | 34 | 100.0 | |
| Oral hygiene | Yes | 10 | 17.9 | 46 | 82.1 | 56 | 100.0 | 1.000 |
| No | 2 | 16.7 | 10 | 83.3 | 12 | 100.0 | ||
| Frequency of oral | None / occasionally | 5 | 17.9 | 23 | 82.1 | 28 | 100.0 | 1.000 |
| hygiene (times a day) | At least 1 | 7 | 17.5 | 33 | 82.5 | 40 | 100.0 | |
| Age at which oral | Up to 11 | 2 | 8.7 | 21 | 91.3 | 23 | 100.0 | 0.172 |
| hygiene started (months) | 12 or more | 8 | 24.2 | 25 | 75.8 | 33 | 100.0 | |
| Hygiene classification | Good or fair | 8 | 20.0 | 32 | 80.0 | 40 | 100.0 | 0.748 |
| Poor | 4 | 14.3 | 24 | 85.7 | 28 | 100.0 | ||
| Use of dentifrice | Yes | 9 | 18.8 | 39 | 81.3 | 48 | 100.0 | 1.000 |
| No | 3 | 15.0 | 17 | 85.0 | 20 | 100.0 | ||
| Age at which oral | Up to 11 | 2 | 28.6 | 5 | 71.4 | 7 | 100.0 | 0.600 |
| hygiene started (months) | 12 or more | 7 | 17.1 | 34 | 82.9 | 41 | 100.0 | |
| Fluoride content | AFC | 3 | 10.0 | 27 | 90.0 | 30 | 100.0 | 0.204 |
| on water | LFC | 9 | 23.7 | 29 | 76.3 | 38 | 100.0 | |
| Access to dental service | Yes | 3 | 37.5 | 5 | 62.5 | 8 | 100.0 | 0.141 |
| No | 9 | 15.0 | 51 | 85.0 | 60 | 100.0 | ||
| Instructions about oral | Yes | 3 | 15.8 | 16 | 84.2 | 19 | 100.0 | 1.000 |
| health care | No | 9 | 18.4 | 40 | 81.6 | 49 | 100.0 | |
*
(p<0.05);
**
economic classification proposed by the Brazilian Association of Research Companies.
Average monthly family income: High - U$ 213 to 1,402 - classes B and C; Low - U$ 103 to 212 - classes D and E.; AFC = with adequate fluoride content; LFC = with low fluoride content.