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Table 5 Regression on covariates and regression on PS (HH income as dependent variable)

From: Impact of supply chain coordination on honey farmers’ income in Tigray, Northern Ethiopia

Covariates Regression on covariates Regression on PS
Coefficient Std. err. Coefficient Std. err.
Contract 0.28 a 0.16 0.28 a 0.17
Cooperative 0.01 0.21 0.01 0.21
PSContract    0.79 1.41
PSCooperative    -0.96 1.87
Atsibi -0.81 b 0.41 -0.86 b 0.43
Kiltie awlalo -1.20 c 0.42 -1.25 c 0.43
Ofla (omitted)   (omitted)  
Dega temben -1.48 c 0.57 -1.51 c 0.58
Age, household head -0.02 c 0.01 -0.01 a 0.01
Illiterate, household head -0.16 0.12 -0.13 0.13
Household size -0.01 0.04 -0.03 0.05
Active family 0.10 a 0.06 0.12 a 0.07
Production Experience 0.02 b 0.01 0.01 a 0.01
Land size 0.28 0.28 0.14 0.33
Land size2 0.11 0.11 0.17 0.14
Tropical livestock units (recall 5 years ago) 0.03 c 0.01 0.03 c 0.01
No. of modern hives (recall 5 years ago) 0.05 b 0.02 0.04 a 0.02
No. traditional hives (recall 5 years ago) 0.01 a 0.01 0.01 0.01
Distance to Mekelle -0.01 a 0.00 -0.01 a 0.00
Distance to asphalt road 0.01 0.01 0.01 0.01
Distance to RDO -0.02 0.02 -0.02 0.02
Constant 9.62 c 0.54 9.76 c 0.64
No. of observations 393    393
F( 18, 374) 7.65 c   F( 20, 372) 6.99 c
Adj R-squared 0.22    0.22
  1. a , b , c indicates significance levels at 10,5 and 1 % respectively