Volume 19, Number 2—February 2013
Dispatch
Kyasanur Forest Disease, India, 2011–2012
Table 2
Univariate and multivariate analysis of risk factors associated with Kyasanur Forest disease outbreak, Shimoga District, Karnataka State, India, December 2011–March 2012
| Variable | No. (%) case-patients, n = 51 | No. (%) controls, n = 102 | Odds ratio (95% CI) |
|
|---|---|---|---|---|
| Matched | Adjusted | |||
| Handled cattle in last week | 47 (92) | 72 (71) | 5.4 (1.6–18.2) | 5.1 (1.3–20.4) |
| Went to forest in last week | 44 (86) | 72 (71) | 4.2 (1.2–14.3) | 4.7 (1.1–20.3) |
| Had pile of leaves within the compound | 39 (76) | 58 (57) | 3.2 (1.3–7.9) | 4.0 (1.3–12.3) |
| Had cattle shed in household | 48 (94) | 89 (87) | 3.3 (0.7–16.3) | 3.7 (0.5–25.9) |
| Received 2 doses of vaccine in 2011 | 20 (39) | 42 (41) | 0.7 (0.2–2.9) | 2.4 (0.4–15) |
| Used tick repellent before going to forest | 8 (16) | 18 (18) | 0.8 (0.3–2.4) | 1.1 (0.3–3.8) |
*Boldface indicates significance.


