|
Type of farm
|
|
Closed
|
14
|
42
|
1180
|
6.1%
|
1.00
| |
0.0488
|
|
Open
|
55
|
217
|
3954
|
7.2%
|
0.63
|
0.40–1.00
| |
|
Dogs
|
|
Absent
|
22
|
83
|
1211
|
9.6%
|
1.00
| |
0.0161
|
|
Present
|
47
|
176
|
3923
|
5.7%
|
0.60
|
0.40–0.91
| |
|
Ruminants (cattle, sheep and/or goat)
|
|
Absent
|
41
|
145
|
3463
|
5.4%
|
1.00
| |
0.0071
|
|
Present
|
28
|
114
|
1671
|
9.1%
|
1.67
|
1.15–2.42
| |
|
Boots only used inside stables
| |
|
No
|
43
|
207
|
3578
|
8.7%
|
1.00
| |
0.0068
|
|
Yes
|
26
|
52
|
1556
|
4.0%
|
1.91
|
1.20–3.04
| |
|
Shower and farm clothing
|
|
No
|
61
|
235
|
3947
|
7.3%
|
1.00
| |
0.0106
|
|
Yes
|
8
|
24
|
1187
|
4.3%
|
0.37
|
0.17–0.79
| |
|
Mode of rodent control
|
|
No or only with traps
|
4
|
12
|
262
|
4.0%
|
1.00
| |
0.0056
|
|
Poison
|
47
|
175
|
3808
|
6.5%
|
3.37
|
1.23–9.23
| |
|
Poison and traps
|
18
|
72
|
1064
|
14.1%
|
5.57
|
1.90–16.3
| |
|
Bedding pigs accessible for rodents
|
|
No
|
64
|
253
|
4767
|
7.1%
|
1.00
| |
0.0002
|
|
Yes
|
5
|
6
|
367
|
5.1%
|
0.17
|
0.07–0.44
| |
|
Presence of cats
|
|
Absent
|
19
|
47
|
1530
|
5.1%
|
1.00
| |
< 0.0001
|
|
Present, no kittens, no stable access
|
29
|
82
|
2498
|
4.2%
|
1.90
|
1.11–3.27
| |
|
Present, kittens, cats not in stable
|
11
|
82
|
697
|
9.9%
|
11.80
|
6.23–22.5
| |
|
Present, no kittens, stable accessible
|
3
|
7
|
99
|
5.7%
|
2.87
|
0.67–12.3
| |
|
Present, kittens, stable accessible
|
6
|
41
|
304
|
21.3%
|
4.20
|
2.04–8.55
| |
|
Drinking water for pigs
|
|
Tapwater
|
32
|
96
|
1555
|
7.3%
|
1.00
| |
0.0095
|
|
Well
|
37
|
163
|
3579
|
6.7%
|
0.60
|
0.40–0.88
| |
|
Feed heated
|
|
No
|
37
|
195
|
3459
|
9.2%
|
1.00
| |
0.0129
|
|
Yes
|
32
|
64
|
1675
|
4.3%
|
0.42
|
0.21–0.83
| |
|
Whey (goat)
|
|
No
|
65
|
201
|
4887
|
5.0%
|
1.00
| |
< 0.0001
|
|
Yes
|
4
|
58
|
247
|
37.6%
|
11.30
|
7.12–18.0
| |
|
Shielding of birds
|
|
No
|
8
|
26
|
316
|
9.1%
|
1.00
| |
0.0035
|
|
Yes
|
61
|
233
|
4818
|
6.7%
|
0.18
|
0.06–0.57
| |
