|
The effect of risk factors on reinfection lice after eradication*. |
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| Risk factor |
Number of herds (n = 28) |
Result 15–18 months after the eradication |
Relative risk |
p-value Fisher's exact test One tailed |
|
|
|
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| Free |
Lice Present |
||||
|
|
|||||
| Purchase of livestock or use of common pasture |
20 |
12 |
8 |
1.41 (0.93 – 2.13) |
0.17 |
| Identified failure in precautions for livestock |
9 |
2 |
7 |
5.25 (1.44 – 19.11) |
0.005 |
| Identified failure in precautions for persons |
28 |
19 |
9 |
- |
- |
|
*The analysis was based on herds which succeeded with the eradication from both the pilot group and the main group. | |||||
Nafstad and Grønstøl Acta Veterinaria Scandinavica 2001 42:81 doi:10.1186/1751-0147-42-81 |
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