From: Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds
Variable | Class | Frequency 1 | Percentage positive | Coefficient (S.E) |
---|---|---|---|---|
Intercept | −0.95 (0.41)b | |||
Farm-type | Conventional | 15,759 | 40.43 | −0.18 (0.14) |
Organic | 867 | 53.52 | ref | |
Production-type | Non-dairy2 | 12,324 | 35.22 | 0.21 (0.14) |
Dairy | 4,302 | 58 | reference | |
Distance to the nearest fluke positive herd3 | −0.19 (0.02)a | |||
Slaughterhouse | A | 1,862 | 42.16 | 0.58 (0.07)a |
B | 2,669 | 56.13 | 1.21 (0.06)a | |
C | 2,006 | 47.51 | 0.66 (0.07)a | |
D | 2,378 | 40.92 | 0.44 (0.07)a | |
E | 725 | 50.07 | 0.91 (0.09)a | |
F | 1,025 | 41.76 | 1.03 (0.08)a | |
G | 575 | 40.17 | 0.62 (0.10)a | |
H | 1,460 | 62.12 | 1.53 (0.07)a | |
Other | 3,926 | 17.75 | reference | |
Streams | Present | 4,769 | 44.87 | 0.16 (0.04)a |
Absent | 11,857 | 39.6 | reference | |
Wetlands | Present | 6,567 | 45.29 | 0.31 (0.04)a |
Absent | 10,059 | 38.38 | reference | |
Cropland | Present | 16,582 | 41.12 | −0.88 (0.36)b |
Absent | 44 | 36.36 | ref | |
Pastures | Present | 984 | 55.28 | 0.38 (0.07)a |
Absent | 15,642 | 40.22 | reference | |
Dry-land | Present | 10,562 | 42.08 | −0.08 (0.04)b |
Absent | 6,064 | 39.43 | reference | |
Herd-size | Small (<30) | 9,028 | 26.09 | reference |
Medium (≥30 to < 100) | 3,200 | 53.41 | 1.17 (0.27)b | |
Large (≥100) | 4,398 | 63.01 | 1.92 (0.23)b | |
BuyInfYN4 | Yes | 1,659 | 61.18 | 0.68 (0.25)b |
Unknown | 3,106 | 55.02 | −0.15 (0.21)b | |
No | 11,861 | 34.66 | reference | |
Farm-type*BuyInfYN | Conventional*Yes | 1,547 | 60.31 | 0.09 (0.26) |
Conventional*Unknown | 2,962 | 54.90 | 0.65 (0.22)a | |
Conventional*No | 11,250 | 33.88 | reference | |
Farm-type*Herd-size | Conventional*Small | 8,726 | 26,08 | reference |
Conventional*Medium | 3,045 | 52.97 | −0.56 (0.23)b | |
Conventional*Large | 3,988 | 62.24 | −0.48 (0.19)a | |
Production-type*Herd-size | Non-dairy*Small | 8,760 | 26.03 | reference |
Non-dairy*Medium | 2,640 | 55.72 | 0.42 (0.17)a | |
Non-dairy*Large | 924 | 63.85 | −0.06 (0.17) |