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Table 1 Summary of statistics of variables used in the analysis by survey year (mean values)

From: Adoption analysis of agricultural technologies in the semiarid northern Ethiopia: a panel data analysis

Variables description 2006 2010 2015 Pooled
Mean St. Err. Mean St. Err. Mean St. Err. Mean St. Err.
Three subsamples
 High-yield wheat adoption (yes =1) 0.129 0.018 0.184 0.018 0.138 0.016 0.151 0.010
 High-yield wheat area planted, adopters (tsimidi) 0.158 0.029 0.306 0.041 0.199 0.031 0.225 0.020
 Drought-tolerant teff adoption (yes=1) 0.060 0.013 0.039 0.009 0.160 0.017 0.091 0.008
 Drought-tolerant teff area planted, adopters (tsimidi) 0.097 0.026 0.087 0.027 0.233 0.040 0.145 0.019
 Cash crop adoption (yes =1) 0.115 0.017 0.184 0.018 0.160 0.017 0.156 0.010
 Cash crop area planted, adopters (tsimidi) 0.044 0.008 0.190 0.034 0.191 0.037 0.150 0.019
 Owned land (tsimidi) 4.430 3.261 4.429 3.093 4.542 2.928 4.472 3.077
Full sample
 Farm-level population pressure 2.168 0.176 1.778 0.075 2.100 0 .330 2.007 0.136
 Mean value of farm-level pop. pressure at community level 2.091 0.076 1.987 0.061 1.965 0.058 2.007 0 .037
 Distance to market (h) 1.407 0.048 1.401 0.043 1.394 0.043 1.400 0.025
 Mean rainfall of 12 years panel (cm) 47.057 0.953 45.203 0.710 44.948 0.673 45.615 0.441
 Rainfall variability (Std. Dev.) of 12-year panel (cm) 8.566 0.069 8.820 0.054 8.838 0.052 8.757 0.033
 One-year lagged positive deviation from long-term mean rainfall (cm) 0.000 - 1.287 0.110 15.890 0.650 6.457 0.323
 One-year lagged negative deviation from long-term mean rainfall (cm) 10.612 0.175 5.199 0.199 0.000 - 4.717 0.145
 Two-year lagged positive deviation from long-term mean rainfall (cm) 0.000 - 0.991 0.119 2.817 0.133 1.410 0.072
 Two-year lagged negative deviation from long-term mean rainfall (cm) 14.504 0.363 7.011 0.305 1.335 0.104 6.919 0.211
Sample size
 Improved wheat 187   287   340   814  
 Drought-tolerant teff 218   336   441   995  
 Cash crops 31   126   141   298  
  1. Source: NMBU and MU household panel