Volume 17, Number 3—March 2011
    
    Research
Serologic Surveillance of Anthrax in the Serengeti Ecosystem, Tanzania, 1996–2009
Table 2
Multivariate generalized linear mixed model analysis of risk factors for anthrax seropositivity in dogs, Tanzania, 1996–2009*
| Predictor | Unit | Estimate | SE | z score | p value | OR (95% CI) | 
|---|---|---|---|---|---|---|
| Intercept | −6.224 | 1.275 | −4.881 | <0.001 | NA | |
| Age | Months | 0.043 | 0.011 | 3.956 | <0.001 | 1.044 (1.022–1.066) | 
| Area | West | Referent | Referent | Referent | Referent | 1 | 
| Loliondo | 4.178 | 1.696 | 2.463 | 0.014 | 65.21 (2.347–1,811.000) | |
| NCA | 4.511 | 1.364 | 3.308 | <0.001 | 90.97 (6.283–1,317.000) | 
*OR, odds ratio; CI, confidence interval; NA, not applicable; NCA, Ngorongoro Conservation Area.
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