Table 4 Univariable RR with 95% CI for psittacosis notifications in the Netherlands, 01-01-2000 until 01-09-2015
Variables | RR (95% CI) |
|---|---|
Total poultry density | |
0 Birds/km2 | 1.00 |
0–1150 Birds/km2 | 1.18 (0.91–1.54) |
> 1150 Birds/km2 | 1.21 (0.90–1.61) |
Poultry farm density | |
0 Farms/km2 | 1.00 |
0–0.05 Farms/km2 | 1.28 (0.99–1.67) |
> 0.05 Farms/km2 | 1.06 (0.79–1.42) |
Average poultry farm size | |
0 Birds | 1.00 |
0–21,000 Birds | 1.15 (0.88–1.49) |
> 21,000 Birds | 1.28 (0.95–1.71) |
Chicken processing plant presence | |
No chicken processing plant present | 1.00 |
Chicken processing plant present | 1.58 (1.01–2.43) |
Chicken presence | |
No chickens present | 1.00 |
Chickens present | 1.20 (0.94–1.53) |
Turkey presence | |
No turkeys present | 1.00 |
Turkeys present | 0.92 (0.59–1.41) |
Slaughter duck presence | |
No slaughter ducks present | 1.00 |
Slaughter ducks present | 1.40 (0.99–1.97) |
Broiler presence | |
No broilers present | 1.00 |
Broilers present | 1.04 (0.82–1.32) |
Layer presence | |
No layers present | 1.00 |
Layers present | 1.06 (0.84–1.32) |
Outdoor range layer presence | |
No layers with outdoor range present | 1.00 |
Layers with outdoor range present | 1.06 (0.84–1.33) |