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Table 2 Baseline equivalence on key outcomes

From: Can results-based prizes to private sector incentivize technology adoption by farmers? Evidence from the AgResults Nigeria project that uses prizes to incentivize adoption of AflasafeTM

Baseline equivalence on variables that can affect key outcomes

Variable

Treatment mean

Comparison mean

P value

Effect size

Household demographics

 Age of household head (years)

44.01

44.97

0.31

− 0.09

 HH's main economic activity is agriculture/maize farming (= 1 if yes)

0.87

0.91

0.19

− 0.11

 Household head has completed secondary school or more (= 1 if yes)

0.30

0.36

0.24

− 0.12

Household identifies as Islamic (= 1 if household is Islamic)

0.78

0.89

0.26

− 0.29

 Number of household members older than 5

6.94

7.43

0.22

− 0.11

 In the 2013–2014 maize season, saved money in an informal group (= 1 if yes)

0.06

0.04

0.21

0.09

 Member of farmer cooperative (= 1 if yes)

0.35

0.43

0.14

− 0.17

Household farming characteristics

 Area of household land owned (hectares)

5.31

5.52

0.73

− 0.03

 Area of household land owned squared

66.20

74.37

0.72

− 0.02

 Amt of Dry Maize Harvest in Average Year (kgs)

6013.89

6918.93

0.30

− 0.12

 Total large machinery owned by farmer (tractor, mechanical drier, planter, harvester (number of units))

0.13

0.18

0.57

− 0.06

Farmer knew AgResults competitor in 2013–2014 (= 1 if yes)

0.488

0.289

0.001***

0.41

 At least one plot irrigated (= 1 if household has at least one irrigated plot)

0.15

0.17

0.70

− 0.04

Ownership of assets

 Improved wall (= 1 if wall is made of burnt bricks or cement blocks)

0.24

0.29

0.38

− 0.11

 Improved toilet facility (= 1 if toilet facility is flush or pit latrine)

0.88

0.92

0.42

− 0.15

 Improved lighting (= 1 if lighting source is a generator)

0.36

0.39

0.62

− 0.08

 Owned a ridger (= 1 if household owns a ridger)

0.24

0.21

0.40

0.09

 Owned a wheelbarrow (= 1 if household owns a wheelbarrow)

0.18

0.18

0.79

0.02

 Owned a drying frame/rack (= 1 if household owns a wheelbarrow)

0.07

0.08

0.61

− 0.04

 Owns cow, ox, donkey, or camel (= 1 if owns any one of these)

0.35

0.33

0.53

0.05

 Owns sheep, goat, pig (= 1 if owns any one of these)

0.59

0.63

0.37

− 0.08

 Owned chicken(s) (= 1 if owns chickens)

0.48

0.52

0.32

− 0.08

Geographic characteristics

 Soil organic carbon content at 60 cm (permilles)

3.12

3.21

0.51

− 0.10

Temperature seasonality (standard deviation * 100)

2068.06

2153.57

0.19

− 0.31

 Mean temperature of driest quarter (°C)

230.27

229.80

0.53

0.12

 Annual precipitation (mm)

1036.45

1047.06

0.73

− 0.08

 Travel time to 100 K market (h)

2.67

2.70

0.90

− 0.03