Volume 13, Number 9—September 2007
Research
Landscape Elements and Hantaan Virus–related Hemorrhagic Fever with Renal Syndrome, People’s Republic of China
Lei Yan*1, Li-Qun Fang*1, Hua-Guo Huang*, Long-Qi Zhang*, Dan Feng†, Wen-Juan Zhao†, Wen-Yi Zhang†, Xiao-Wen Li*, and Wu-Chun Cao†1
Table 3
Result of univariate logistic analysis in different land use types in relation to HFRS occurrence in China, 1994–1998*
| Land-use type | p value | OR (95% CI) |
|---|---|---|
| Rice land | <0.01 | 1.75 (1.46–2.09) |
| Irrigated farmland | <0.01 | 1.49 (1.25–1.77) |
| Nonirrigated farmland | <0.01 | 2.39 (1.93–2.97) |
| Timber forest land | 0.63 | 1.05 (0.86–1.27) |
| Orchard land | <0.01 | 2.68 (1.67–4.41) |
| Sparse woods | <0.01 | 0.63 (0.51–0.75) |
| Bush | <0.01 | 0.52 (0.44–0.62) |
| Prairie and grassland | <0.01 | 0.14 (0.11–0.18) |
| Hilly/mountainous grassland | 0.7 | 0.96 (0.81–1.15) |
| Desert | <0.01 | 0.20 (0.14–0.28) |
| Wetland | <0.05 | 1.70 (1.02–2.86) |
| Saline-alkali land | <0.01 | 0.25 (0.14–0.43) |
| Bare land | <0.01 | 0.05 (0.03–0.09) |
*OR, odds ratio; CI, confidence interval.
