Table 2.
Risk factors for Salmonella enterica at farm
| Variable | Frequency (%) | Univariable | Multivariable | ||
|---|---|---|---|---|---|
| COR (95% CI) | P-value | AOR (95% CI) | P-value | ||
| Number chicken | |||||
| 63 | 10 (3.7) | 0 (0–0.032) | 0.999 | ||
| 106 | 20 (7.4) | 0 (0–058) | 0.998 | ||
| 328 | 55 (20.4) | 1.754 (0.006–514) | 0.846 | ||
| 1150 | 185 (68.5) | 1.00 | |||
| Chicken kept system | |||||
| Cage | 185 (68.5) | 3.534 (0.05–2.3) | 0.702 | ||
| Open | 85 (31.5) | 1.00 | |||
| Fodder method | |||||
| Manual | 70 (100) | ||||
| Egg collecting method | |||||
| Manual | 270 (100) | ||||
| Wash hand after use of toilet | 1.00 | ||||
| Yes | 106 (39.3) | 21.4 (1.285–337) | 0.033 | 0.066 (0.005–0.809) | 0.034 |
| No | 164 (60.7) | 1.00 | |||
| Disinfection bath | |||||
| Yes | 137 (50.7) | 0.63 (0.025–15.5) | 0.775 | ||
| No | 133 (49.3) | 1.00 | |||
| Separating cracked eggs | |||||
| Yes | 119 (44.1) | 28.4 (1.28–629.4) | 0.034 | 0.062 (0.005–0.802) | 0.033 |
| No | 151 (55.9) | 1.00 | |||
| Dirty eggs clean | |||||
| Yes | 56 (20.7) | 9.57 (0.025–15.5) | 0.162 | 0.164 (0.021–1.276) | 0.084 |
| No | 214 (79.3) | 1.00 | |||
| Wear special wear | |||||
| Yes | 79 (29.3) | 0.75 (0.030–18.7) | 0.861 | ||
| No | 191 (70.7) | 1.00 | |||
| Other people enter farm | |||||
| Yes | 139 (51.5) | 0.2 (0.05–10.32) | 0.451 | ||
| No | 131 (48.5) | 1.00 | |||
| Excreta mix with feed | |||||
| Yes | 225 (83.3) | 0.1 (0.003–3.1) | 0.190 | 19.87 (2.234–176.79) | 0.007 |
| No | 45 (16.7) | 1.00 | |||
| Washing egg container | |||||
| Yes | 159 (58.9) | 0.5 (0.032–8.2) | 0.635 | ||
| No | 111 (41.1) | 1.00 | |||
| Excreta mix with the eggs | |||||
| No | 134 (49.6) | 0.23 (0.016–3.12) | 0.266 | ||
| Yes | 136 (40.4) | 1.00 | |||
| Treated with medication | |||||
| Yes | 24 (8.9) | 20.67 (0.612–0.700) | 0.092 | 0.082 (0.004–1.497) | 0.09 |
| No | 246 (91.1) | 1.00 | |||