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Table 2 Univariable results: commune infection status during 2003 to 2006 vs. LPT attributes.

From: Associations between attributes of live poultry trade and HPAI H5N1 outbreaks: a descriptive and network analysis study in northern Vietnam

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  
  1. OR: Odds Ratio; SE: Standard Error; CI: Confidence Interval