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Table 3 Linear random effects models investigating farm-related factors associated with ADDkg price of antimicrobial products used. Data on 904 price estimates corresponding to weeks when farmers administered antimicrobials were used

From: A survey of retail prices of antimicrobial products used in small-scale chicken farms in the Mekong Delta of Vietnam

 

Univariable

Multivariablea

β

SE

p-value

β

SE

p-value

Farm owner’s age (years)(Baseline = < 36)

 36–54

0.197

0.139

0.161

   

  > 54

0.031

0.156

0.843

   

Farm owner’s gender (Baseline = Female)

 Male

0.323

0.150

0.033

   

Farm owner’s experience in raising chickens (years)(Baseline = 0–2)

  > 2–4

− 0.021

0.114

0.853

   

  > 4

−0.008

0.154

0.958

   

Farm owners’ education attainment(Baseline = Post high school)

 Primary school

0.514

0.236

0.033

   

 Secondary school

0.387

0.229

0.096

   

 High school

0.320

0.235

0.177

   

 Chicken total (log)

0.061

0.061

0.319

   

 Age of flock (weeks) (log)

0.157

0.025

< 0.001

0.153

0.024

< 0.001

Disease status (baseline = No disease)

 Disease

0.085

0.050

0.084

   

 Mortality > 2.8/100 birds/week (Baseline ≤2.8/100 birds/week)

0.091

0.056

0.108

   

 Cao Lanh district (Baseline = Thap Muoi)

0.533

0.083

< 0.001

0.514

0.081

< 0.001

  1. aIntercept = −1.331 (SE = 0.066)