Research Article
Reemergence of Yellow Fever in Brazil: The Role of Distinct Landscape Fragmentation Thresholds
Table 1
Association between YF occurrence and forest fragmentation in negative binomial regression.
| Xn (independent variables) | Adjusted relative risk | Confidence interval 95% | |
| High forest fragmentation | 1.85 | 1.24–2.75 | 0.0031 | Partial forest fragmentation | 0.81 | 0.54–1.23 | 0.23 | No vaccination or coverage | 1.74 | 1.25–2.42 | 0.0011 | Larger municipal population (>100,000 ppl) | 1.37 | 0.93–2.01 | 0.11 | Larger municipal area (>50,000 m2) | 1.61 | 1.17–2.21 | 0.0041 |
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1Statistically significant variables at the confidence level of 0.05.
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