Tab. IV.
Association between Oral Hygiene Index-Simplified (OHI-S) and Decayed, Missing and Filled Teeth (DMFT) with age, gender, alcohol, smoking and tobacco.
| Parameters | Coefficient r | SE | t | 95% CI | p-value | Adjusted R2 |
|---|---|---|---|---|---|---|
| Dependent variable: OHI-S | ||||||
| Constant | 0.246 | 4.498 | 0.624 to 1.592 | < 0.001* | 0.215 | |
| Age | 0.281 | 0.004 | 7.518 | 0.022 to 0.038 | < 0.001* | |
| Gender | -0.029 | 0.146 | -0.766 | -0.398 to 0.175 | 0.444 | |
| Smoking | -0.011 | 0.107 | -0.285 | -0.241 to 0.180 | 0.776 | |
| Tobacco | 0.303 | 0.099 | 7.026 | 0.502 to 0.892 | < 0.001* | |
| Alcohol | 0.034 | 0.088 | 0.893 | -0.095 to 0.252 | 0.372 | |
| Dependent variable: DMFT | ||||||
| Constant | 0.913 | -0.728 | -2.459 to 1.129 | 0.467 | 0.396 | |
| Age | 0.542 | 0.015 | 16.540 | 0.218 to 0.276 | < 0.001* | |
| Gender | -0.092 | 0.541 | -2.760 | -2.556 to -0.431 | 0.006* | |
| Smoking | -0.023 | 0.397 | -0.675 | -1.048 to 0.512 | 0.500 | |
| Tobacco | 0.134 | 0.368 | 3.540 | 0.580 to 2.025 | < 0.001* | |
| Alcohol | -0.204 | 0.327 | -6.113 | -2.645 to -1.359 | < 0.001* | |
| CI: confidence interval; SE: standard error; OHI-S: Oral Hygiene Index-Simplified; DMFT: Decayed Missing Filled teeth. The statistical analysis used: multivariate linear regression; Level of significance: * p ≤ 0.05 is considered statistically significant. | ||||||