Table 1.
Sample type | Total samples | Positives | Prevalence (%) | 95% CI For prevalence | OR | 95% CI for OR |
---|---|---|---|---|---|---|
Abattoir | 384 | 36 | 9.4a | 5.8–12.9 | 1 | |
Butcher | 384 | 76 | 19.8b | 16.2–23.3 | 2.4 | 1.6–3.6 |
Cutting table | 40 | 6 | 15ab | 4.0–26 | 1.7 | 0.7–4.3 |
Hook | 40 | 6 | 15ab | 4.0–26 | 1.7 | 0.7–4.3 |
Knife | 40 | 9 | 22.5b | 11.5–33.5 | 2.8 | 1.2–6.4 |
| ||||||
Total | 888 | 133 | 15 |
Note. a, b, abprevalences with the similar letters are not statistically significant at 95% confidence level. CI = confidence interval; OR = odds ratio.