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Table 4 Definitions of farm-level predictors grouped into their cross classifications as used in statistical analyses

From: Generating social network data using partially described networks: an example informing avian influenza control in the British poultry industry

Original variables* Description of cross-classification Predictor variable ID Farm frequency
House count/
Bird count
house count = small, bird count = small hbSS 128
  house count = small, bird count = large hbSL 53
  house count = large, bird count = small hbLS 50
  house count = large, bird count = large hbLL 117
Indoor/
Free-range
indoor = no, free-range = no ifNN 26
  indoor = no, free-range = yes ifNY 79
  indoor = yes, free-range = no ifYN 229
  Indoor = yes, free-range = yes ifYY 14
  1. *see Table 3