Table 3. Association of anthrax diagnosis with specific activities involving hippopotamus carcasses based on responses to a survey conducted after an outbreak of anthrax infections among humans and hippopotamuses living in a game reserve area, Chama District, Zambia, September 2011*.
| Activity | No. (%) persons |
OR (95% CI) | aOR (95% CI) | |
|---|---|---|---|---|
| With anthrax diagnosed since July 2011, n = 31 | Without anthrax diagnosed, n = 137 | |||
| Skinning | 14 (45) | 8 (6) | 13.3 (4.4–41.5) | 12.0 (4.3–36.5) |
| Cutting | 28 (90) | 70 (51) | 8.9 (2.5–47.5) | 8.1 (2.2–29.2) |
| Eating | 30 (97) | 106 (77) | 8.8 (1.3–369.3) | – |
| Carrying | 24 (77) | 54 (39) | 5.3 (2.0–15.4) | 4.4 (1.7–11.8) |
| Preparing | 27 (87) | 92 (67) | 3.3 (1.1–13.7) | 2.1 (0.5–11.8) |
| Cooking | 27(87) | 93(68) | 3.2 (1.0–13.2) | 2.0 (0.5–1.1) |
| Drying | 21(68) | 64(47) | 2.4 (1.0–6.1) | 1.7 (0.6–4.5) |
*aOR, adjusted odds ratio (adjusted for eating hippopotamus meat); OR, odds ratio.