Table 5. Multivariate analyses of factors associated with gingival inflammation (average G-Index ≥0.5). The variables that are statistically for any city or to the total are shown.
| TOTAL (n=1650) | PORTO ALEGRE (n=550) | TUCUMÁN (n=550) | SANTIAGO (n=550) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variables | OR | CI 95% | p-value | OR | CI 95% | p-value | OR | CI 95% | p-value | OR | CI 95% | p-value | |
| Gender | Male | ||||||||||||
| Female | 1.93 | 1.03,3.59 | 0.039 | 6.48 | 1.32,31.86 | 0.021 | 1.59 | 0.72,3.53 | 0.254 | 0.00 | 0.00 | 0.997 | |
| Education | >12 | ||||||||||||
| (years) | ≤12 | 2.18 | 1.19,4.02 | 0.012 | 1.29 | 0.33,5.06 | 0.713 | 3.21 | 1.46,7.08 | 0.004 | 1.88 | 0.24,15.06 | 0.550 |
| CI (mean) | 18.59 | 7.13,48.50 | 0.000 | 25.66 | 3.89,169.10 | 0.001 | 18.24 | 5.44,61.19 | 0.000 | 36.61 | 0.099 | ||
| 0.51,2634.86 | |||||||||||||
| VPI | <30% | ||||||||||||
| ≥30% | 14.56 | 6.75,31.40 | 0.000 | 10.78 | 2.06,56.49 | 0.005 | 21.10 | 7.33,60.71 | 0.000 | 18.70 | 1.30,269.52 | 0.031 | |
| City | Tucumán | ||||||||||||
| Porto Alegre | 1.75 | 0.81,3.79 | 0.153 | ||||||||||
| Santiago | 7.17 | 2.58,19.93 | 0.000 | ||||||||||
Logistic regression model for the presence of gingival inflammation (average G-index ≥0.5) adjusted for gender, age, educational level, self-reported diabetes, self-reported hypertension, smoking, visual plaque index, calculus index for each city and for the total sample by city. The variables that are statistically significant for any city or to the total are shown