Table 1 Results from the mixed effects negative binomial regression for predictors of reported dengue fever case incidence at the district level
From: Epidemiology of dengue virus infections in Nepal, 2006–2019
| Covariate | IRR (95% CIs) |
|---|---|
| Year | |
| 2016 | Comparator |
| 2017 | 3.1 (0.9–10.8) |
| 2018 | 4.8 (1.5–15.3) |
| 2019 | 141.6 (45.8–438.4) |
| Mean elevation | 0.1 (0.01–0.2) |
| Population density (people per km2) | 1.3 (0.9–1.8) |
| Year and elevation interaction | |
| 2016 × mean elevation | Comparator |
| 2017 × mean elevation | 1.8 (0.4–7.6) |
| 2018 × mean elevation | 22.7 (6.0–86.1) |
| 2019 × mean elevation | 9.6 (2.6–36.1) |