Table 6. Evaluation of interaction between ethnic group and zones with high and low proportion Afro-Colombians.
| Homogeneity | ||||||
|---|---|---|---|---|---|---|
| Additive Model | Multiplicative Model | |||||
| Zones | Attributable Risk | CI 95% | Relative Risk | CI 95% | ||
| Afro-Colombians (high proportion) | 69.3 | 66.7-71.9 | 9.4 | 8.4-10.6 | ||
| Afro-Colombians (low proportion) | 50.6 | 48.4-61.8 | 4.0 | 3.6 - 4.4 | ||
| Comparison of the joint expected and observed effects | ||||||
| Incidence/10,000 inhabitants | Attributable Risk | Relative Risk | ||||
| Zones | Afro-Colombians | Non-Afro-Colombians | Afro-Colombians | Non-Afro-Colombians | Afro-Colombians | Non-Afro-Colombians |
| Afro-Colombians (low proportion) | 16.8(15.2-18.5) | 67.4(66.0-68.9) | 0 (-1.2-1.2) | 50.6 (49.5-51.7) | 1.0 (0.9-1.2) | 4.0 (3.6-4.4) |
| Afro-Colombians (high proportion) | 8.2(7.3-9.1) | 77.6(75.1-80.1) | -8.6(-7.6-9.6) | 60.8(59.2-62.2) | 0.5(0.4-0.6) | 4.7(4.2-5.1) |
| Joint expected effects | 42.0 (40.5-43.5) | 2.0(1.6-2.4) | ||||