Table 2. Bivariable analysis of factors associated with death caused by Chagas' disease, Brazil 1999–2007.
| Variables | Death from Chagas'disease | RR | 95% confidence interval | P value | |
| n | % | ||||
| Gender * | |||||
| Female | 23,172 | 0.622 | Ref. | ||
| Male | 30,748 | 0.596 | 0.96 | 0.94–0.97 | <0.001 |
| Age group (years) * | |||||
| <15 | 118 | 0.016 | Ref. | ||
| 15–29 | 815 | 0.128 | 7.59 | 6.25–9.20 | <0.001 |
| 30–39 | 2,333 | 0.436 | 25.76 | 21.41–31.00 | <0.001 |
| 40–49 | 5,783 | 0.746 | 43.93 | 36.61–52.71 | <0.001 |
| 50–59 | 10,929 | 1.047 | 61.44 | 51.25–73.66 | <0.001 |
| 60–69 | 13,686 | 0.980 | 57.60 | 48.05–69.04 | <0.001 |
| 70 or more | 20,214 | 0.536 | 31.67 | 26.43–37.95 | <0.001 |
| Age <30 years * | |||||
| Yes | 933 | 0.069 | Ref. | ||
| No | 52,945 | 0.704 | 10.03 | 9.40–10.70 | <0.001 |
| Race/Color * | |||||
| Caucasian | 25,067 | 0.531 | Ref. | ||
| Indigenous | 54 | 0.268 | 0.50 | 0.39–0.66 | <0.001 |
| Yellow | 344 | 0.470 | 0.89 | 0.80–0.98 | 0.026 |
| Black | 5,341 | 0.879 | 1.65 | 1.60–1.69 | <0.001 |
| Brown | 16,017 | 0.677 | 1.27 | 1.25–1.30 | <0.001 |
| Region of residence | |||||
| North | 676 | 0.144 | Ref. | ||
| South | 3,165 | 0.223 | 1.54 | 1.42–1.68 | <0.001 |
| Northeast | 9,618 | 0.435 | 3.00 | 2.78–3.25 | <0.001 |
| Central-West | 11,533 | 2.213 | 15.01 | 13.90–16.22 | <0.001 |
| Southeast | 28,938 | 0.677 | 4.66 | 4.32–5.03 | <0.001 |
| Federal Units | |||||
| Other states | 30,038 | 0.391 | Ref. | ||
| Minas Gerais, Goiás and Federal District | 23,892 | 1.952 | 4.91 | 4.82–4.99 | <0.001 |
| Residence in state capital | |||||
| Yes | 12,371 | 0.544 | Ref. | ||
| No | 41,559 | 0.628 | 1.15 | 1.13–1.18 | <0.001 |
| Occurrence in state capital | |||||
| Yes | 36,524 | 0.614 | 1.04 | 1.02–1.06 | <0.001 |
| No | 17,406 | 0.591 | Ref. | ||
*Data not available in all cases.
Total number of deaths: 8,942,217.