TABLE 1. Association between independent variables and high caries level at baseline (HCLB) or high caries increment (HCI) at final examination.
| Variable | HCLB* | HCI** |
|---|---|---|
| dmfs (0; >0) | - | 0.0003 |
| DMFS (0; >0) | - | 0.1034 |
| Number of white spot lesions - surface (0; >0) | 0.0005 | 0.8064 |
| Plaque score: mean OHIS (≤ 1; > 1) | 0.3426 | 0.6742 |
| Number of dental sealants (0; >0) | 0.7665 | 0.0663 |
| Dental fluorosis (yes; no) | 0.0037 | 0.9986 |
| Gender (male; female) | 0.0345 | 0.8186 |
| Race (white; other) | 0.7101 | 0.0722 |
| Mother's education (≤ 8; > 8 years of schooling) | 0.7516 | 0.0028 |
| Father's education (≤ 8; > 8 years of schooling) | 0.6771 | 0.0770 |
| Number of working people living in the household (0-1; 2 or more people) | 0.4196 | 0.4884 |
| Monthly family income - number in Brazilian minimum wages (≤ 5; > 5 minimum wages) | 0.0458 | 0.3774 |
| Dental visits in the year prior to baseline (yes; no) | 0.2776 | 0.4973 |
| Number of dental visits in the year prior to baseline (≤ 1; >1 visit) | 0.3299 | 0.7341 |
| Reason for dental visit (restorative care or routine visit; extraction surgery or other reasons) | 0.014 | 0.0841 |
| Type of topical preventive method (mouth rinse or fluoride gel; no method) | 0.7539 | 0.0651 |
| Daily toothbrushing frequency (≤ twice; > twice a day) | 0.0049 | 0.0420 |
| Daily sugar consumption (≤ twice; > twice a day) | 0.270 | 0.2048 |
| Number of sugar spoons in beverages, etc (≤ 1; > 1 spoon) | 0.1622 | 0.7648 |
| Number of between-meal snacks (≤ 2; > 2) | 0.9973 | 0.5961 |
*
dmfs+DMFS at baseline examination ≥ 6.
**
DMFS increment at final examination ≥ 4