Table 4 Odds ratios for untreated dental caries (n = 2032)
| Â | OR, 95% CI | P -value |
|---|---|---|
Age, years (ref. 6 to 7) | ||
  8 to 9 | 1.00 [0.83, 1.21] | 0.972 |
  10 to 12 | 1.03 [0.70, 1.51] | 0.888 |
  13 to 15 | 1.53 [1.08, 2.15] | 0.017 |
Gender (ref. female) | ||
  Male | 1.19 [0.99, 1.41] | 0.053 |
Race/ethnicity (ref. White) | ||
  Non-white | 0.95 [0.73, 1.23] | 0.687 |
Insurance (ref. no insurance) | ||
  Private | 0.51 [0.38, 0.69] | <0.001 |
  Public (government) | 0.83 [0.62, 1.12] | 0.225 |
Residential location (ref. urban) | ||
  Rural | 1.28 [1.06, 1.55] | 0.009 |