Table 6.
Rate ratios (95% confidence intervals in brackets) of tooth loss in multilevel models with random intercept and slope (education) and cross-level interactions between HDI and education 35–44 years old in Brazil, 2010
| Parameters | . |
|---|---|
| Fixed part | Adjusted Count Ratio (95% CI)* |
| Individual level variables | |
| Constant | 9.18 (8.42,10.00) |
| Education (in years of study) | |
| 0 to 4 | 1 |
| 5–8 years of study | 0.87 (0.79,0.95) |
| 9–11 years of study | 0.78 (0.67,0.89) |
| > 12 years of study | 0.59 (0.48,0.73) |
| Income (in minimum wages) | |
| Up to 1 | |
| 1 to 2.9 minimum wage | 0.94 (0.93,0.96) |
| 3 to 4.9 minimum wage | 0.83 (0.80,0.85) |
| > 5 minimum wage | 0.67 (0.64,0.69) |
| Contextual factors (Municipalities level) | |
| Municipal Human Development Index | |
| Low + Medium | 1 |
| High | 1.04 (0.90–1.19) |
| Fluoridation of water supply | |
| No | |
| Yes | 0.85 (0.75–0.96) |
| Coverage of public oral health services | |
| Below of goal | 1 |
| Above of goal | 1.17 (0.96–1.19) |
| Cross-level interactions | |
| HDI#5–8 years of study | 0.99(0.89,1.11) |
| HDI#9–11 years of study | 0.80 (0.66,0.96) |
| HDI# > 12 years of study | 0.67 (0.51,0.88) |
| Median Rate Ratio (MRR) | 1.41 |
Exponentiated coefficients; *Model was adjusted for individual level variables: sex, age group, skin color and time since the last dental visit