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Table 5 Matching quality analysis: t-test and standardized percentage bias

From: Adoption of improved agricultural technology and its impact on household income: a propensity score matching estimation in eastern Ethiopia

  (1) t-test (2) Standardized Percentage Bias
5-Nearest Neighbors One-to-One 5-Nearest Neighbors One-to-One
Age (years) 0.56
(0.576)
0.55
(0.580)
7.4 7.2
Gender (male) –0.36
(0.717)
–1.09
(0.276)
–4.4 –12.8
Education (years) –0.51
(0.613)
–0.92
(0.358)
–6.9 –12.5
Family size (number) –0.27
(0.784)
–1.54
(0.124)
–3.5 –19.1
Livestock (TLU) –0.24
(0.812)
–1.41
(0.160)
–3.6 –24.0
Land size (ha) –0.12
(0.907)
–0.20
(0.839)
–1.7 –2.9
SWC participation (yes) –0.18
(0.857)
0.15
(0.882)
–2.2 1.8
Irrigation use (yes) –0.30
(0.763)
0.56
(0.576)
–4.0 7.3
DAs visit (yes) 0.15
(0.878)
–0.96
(0.338)
1.5 –10.3
Credit access (yes) –1.46
(0.144)
–0.33
(0.743)
–20.9 –4.5
Market distance (km) –1.02
(0.310)
–0.87
(0.386)
–7.0 –5.9
Asset value (Birr) –0.72
(0.473)
1.07
(0.286)
–9.8 12.6