| Variables | Univariate analysis | Multivariate analysis | ||||
| OR | CI (95%) | P-Value | OR | CI (95%) | P-Value | |
| Age | 1.826 | 1.381 - 2.414 | <0.001 | 2.45 | 1.77 - 3.45 | <0.001 |
| <35 years |
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| ≥35 years |
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| Study level | 0.744 | 0.563 - 0.983 | 0.037 | 1.369 | 0.998 - 1.880 | 0.050 |
| High level |
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| Low level |
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| Previous dental treatment | 0.597 | 0.452 - 0.790 | <0.001 | 1.445 | 0.948 - 2.202 | 0.087 |
| Yes |
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| No |
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| Previous visit to Dentist | 0.737 | 0.549 - 0.988 | 0.041 | 0.976 | 0.630 - 1.512 | 0.0912 |
| Check up and other |
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| Never |
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| Plaque index | 2.857 | 2.142 - 3.810 | <0.01 | 2.00 | 1.31 - 3.07 | 0.001 |
| <1 |
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| ≥1 |
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| Number of missed teeth | 0.566 | 0.383 - 0.836 | 0.004 | 1.433 | 0.916 - 2.242 | 0.115 |
| 0 to 2 teeth |
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| 3 teeth and over |
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