Table 2 Multiple logistic regression analysis of oral- health-related background factors (independent variables) against caries (dependent variable) within cases and controls
|  | CHD cases (n = 111) | Controls (n = 182) |
|---|---|---|
Independent variables | Multiple analysis Adjusted OR (95% CI) | Multiple analysis Adjusted OR (95% CI) |
Brushing | ||
 Frequent (R) | 1 | 1 |
 Not frequent | 5.60 (1.38–22.81)** | 4.09 (0.72–23.32) |
Fluoride | ||
 Frequent (R) | 1 | 1 |
 Not frequent | 0.32 (0.13–0.84)* | 0.98 (0.46–2.09) |
Caregiver’s caries knowledge | ||
 Good knowledge (R) | 1 | 1 |
 Low knowledge | 3.082.05 (0.38–11.06) | 2.78 (0.25–31.79) |
Mother’s education | ||
 Higher education (R) | 1 | 1 |
 Lower education | 2.59 (1.04–6.44)** | 1.04 (0.51–2.10) |
Child’s dental services utilisation | ||
 Yes (R) | 1 | 1 |
 No | 1.82 (0.65–5.10) | 0.66 (0.32–1.37) |