Table 2.
Univariable results: commune infection status during 2003 to 2006 vs. LPT attributes.
| Variable level | OR | SE | P value | 95% CI | Overall P value |
|---|---|---|---|---|---|
| Market type | |||||
| Wholesale | Ref. | ||||
| Retail | 15.541 | 12.03 | <0.001 | 3.407, 70.883 | |
| Time trading poultry | 0.057 | ||||
| Less than a year | Ref. | ||||
| 1-2 years | 0.107 | 0.098 | 0.015 | 0.018, 0.646 | |
| 2-3 years | 0.159 | 0.141 | 0.037 | 0.028, 0.898 | |
| >3 years | 0.232 | 0.171 | 0.047 | 0.055, 0.983 | |
| Direction of poultry trade | |||||
| Buy and sell | Ref. | ||||
| Sell only | 2.742 | 1.702 | 0.104 | 0.812, 9.258 | |
| Type of poultry traded | 0.461 | ||||
| Mixed species | Ref. | ||||
| Chicken | 2.373 | 1.664 | 0.218 | 0.600, 9.378 | |
| Ducks | 1.776 | 1.475 | 0.489 | 0.349, 9.047 | |
| Muscovy ducks | 0.904 | 0.858 | 0.915 | 0.141, 5.808 | |
| Usual number of poultry traded | 0.008 | ||||
| <60 | Ref. | ||||
| 60-90 | 0.095 | 0.08 | 0.006 | 0.018, 0.501 | |
| 90-150 | 0.071 | 0.063 | 0.003 | 0.013, 0.400 | |
| >150 | 0.099 | 0.083 | 0.006 | 0.019, 0.515 | |
| Flock size of contact farms | 0.621 | ||||
| < 300 | Ref. | ||||
| 300-500 | 0.598 | 0.351 | 0.381 | 0.189, 1.891 | |
| 500-1,000 | 0.488 | 0.269 | 0.193 | 0.165, 1.438 | |
| >1,000 | 0.647 | 0.356 | 0.429 | 0.220, 1.902 | |
| Weekly frequency of poultry trade | |||||
| Every day of week | Ref. | ||||
| 1 - 6 days per week | 0.132 | 0.103 | 0.009 | 0.029, 0.607 | |
| Usually sells all poultry at market | |||||
| Yes | Ref. | ||||
| No | 0.705 | 0.511 | 0.63 | 0.170, 2.923 | |
OR: Odds Ratio; SE: Standard Error; CI: Confidence Interval