Table 1.
Univariate analysis of variables associated with dengue mortality in Latin America and the Caribbean, 1995–2009
| Variable | P-Y | Deaths | Crude RR (95% CI) | P value | Pseudo R2 (%) |
|---|---|---|---|---|---|
| Region | 7.14 | 2,870 | 14.67 | ||
| Brazil | Reference | ||||
| Andean subregion | 1.09 (0.99–1.20) | 0.09 | |||
| Central America/Mexico | 0.89 (0.80–0.98) | 0.02 | |||
| Non-Spanish-speaking Caribbean | 2.31 (1.83–2.90) | < 0.001 | |||
| Southern Cone | 0.09 (0.06–0.14) | < 0.001 | |||
| Spanish-speaking Caribbean | 4.22 (3.77–4.73) | < 0.001 | |||
| Calendar year | 7.14 | 2,870 | 1.11 (1.10–1.12) | < 0.001 | 8.51 |
| Age of endemicity (per each 10 years) | 7.14 | 2,870 | 3.2 (3.02–3.39) | < 0.001 | 25.6 |
| Population density | 7.14 | 2,870 | 19.11 | ||
| < 20 inhabitants/km2 | Reference | ||||
| 20–120 inhabitants/km2 | 6.17 (4.94–7.71) | < 0.001 | |||
| > 120 inhabitants/km2 | 24.13 (19.09–30.48) | < 0.001 | |||
| Annual rainfall (per 103 L/m2) | 7.14 | 2,855 | 1.90 (1.78–2.02) | < 0.001 | 6.45 |
| HDI ≥ 0.83 | 7.07 | 2,775 | 0.30 (0.25–0.34) | < 0.001 | 5.73 |
| GEH (per US$ 100) | 7.07 | 2,775 | 0.87 (0.84–0.89) | < 0.001 | 1.90 |
| Circulating serotypes | |||||
| Dengue 1 | 6.40 | 2,783 | 0.73 (0.66–0.82) | < 0.001 | 0.53 |
| Dengue 2 | 6.40 | 2,783 | 2.49 (2.07–2.99) | < 0.001 | 2.17 |
| Dengue 3 | 6.40 | 2,783 | 1.05 (0.97–1.14) | 0.22 | 0.03 |
| Dengue 4 | 6.40 | 2,783 | 1.49 (1.38–1.60) | < 0.001 | 1.75 |
P-Y = population-year (×109); RR = rate ratio; HDI = Human Development Index; GEH = government expenditure on health (in US dollars per capita).