Volume 20, Number 2—February 2014
Dispatch
Human Cutaneous Anthrax, Georgia 2010–2012
Ian Kracalik1, Lile Malania1, Nikoloz Tsertsvadze, Julietta Manvelyan, Lela Bakanidze, Paata Imnadze, Shota Tsanava, and Jason K. Blackburn
Table 2
Results of the negative binomial regression model examining risk factors for human cutaneous anthrax Georgia
| Patient characteristic | IRR* |
95% CI† | p value | |
|---|---|---|---|---|
| Univariate | Adjusted | |||
| Age, y | ||||
| 5–19 | 0.12 | 0.11 | 0.05–0.26 | <0.01 |
| 20–34 | 0.57 | 0.46 | 0.23–0.91 | 0.03 |
| 35–49 | 0.65 | 0.58 | 0.30–1.14 | 0.11 |
| 50–64 | Referent | Referent | – | |
| 65–79 |
0.37 |
0.36 |
0.16–0.78 |
0.01 |
| Sex | ||||
| F | Referent | Referent | – | |
| M |
5.75 |
4.95 |
2.91–8.42 |
<0.01 |
| Self-reported infection source | ||||
| Slaughtering/butchering cattle | Referent | Referent | – | |
| Processing/handling meat | 0.45 | 0.75 | 0.40–1.39 | 0.36 |
| Field work/sowing and harvesting crops | 0.18 | 0.26 | 0.13–0.51 | <0.01 |
| Unknown | 0.07 | 0.09 | 0.04–0.20 | <0.01 |
*χ2 goodness-of-fit test indicated the model fit the data (df = 31, χ2 = 40.71, p = 0.11). IRR, incidence risk ratio.
†Wald 95% CIs.
1These authors contributed equally to this article.
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