Table 3.
Logistic regression analysis of the risk factors related to the prevalence of dental caries.
| B | P | OR | 95% CI for OR | ||
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Gender (Female) | 0.44 | 0.000 | 1.55 | 1.37 | 1.75 |
| Age | 0.000 | ||||
| 13-year-old | 0.13 | 0.102 | 1.14 | 0.98 | 1.32 |
| 14-year-old | 0.33 | 0.000 | 1.39 | 1.20 | 1.62 |
| Snack frequency (once or more per day) | 0.21 | 0.001 | 1.24 | 1.09 | 1.40 |
| Self-assessment of teeth (fair or poor) | 0.55 | 0.000 | 1.73 | 1.52 | 1.97 |
| Toothache in the previous 1 year (yes) | 0.52 | 0.000 | 1.69 | 1.49 | 1.91 |
| Dental visit (yes) | 0.81 | 0.000 | 2.25 | 1.97 | 2.57 |
Nagelkerke R2=0.12; −2 Log likelihood=6012.902; B – regression coefficient; P – significant level; OR – odds ratios; CI – confidence interval.