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Table 1 Description and summary statistics of variables (N = 2441)

From: Road accessibility and agricultural extension services in Malawi

Variable

Description

Mean (Std. Dev.)

Demographic characteristics

  

Age

Head of household (HH) age

41.06 (15.81)

 Female

1 if a HH is female; 0 if otherwise

0.26 (0.44)

 Married

1 if a HH is married; 0 if otherwise

0.79 (0.41)

 Muslim

1 if a HH is Muslim; 0 if otherwise

0.19 (0.39)

 Household size

Household size

5.13 (2.41)

Human capital

  

 Years of schooling

HH’s years of schooling

5.77 (3.80)

 Farming experience

HH’s years of farming experience

13.70 (15.62)

HDDSa

Household dietary diversity score

4.78 (2.09)

Resource and communication tools

  

 Household economic resource

The summation of annual household income and the total value of the family’s assets

55,615.84

(125,377.60)

 Log of household economic resources

 

9.20 (2.98)

 Cropland size

Cropland size

2.46 (2.03)

 Log of cropland size

 

1.12 (0.48)

 Loan access

1 if a HH has received a loan; 0 if otherwise

0.16 (0.37)

 Non-farm employment

1 if a HH is involved in non-farm employment; 0 if otherwise

0.27 (0.44)

 Communication tools

1 if a HH has communication tools (i.e., telephone/mobile phone/internet); 0 if otherwise

0.58 (0.49)

Farm characteristics

  

 Lead farmer

1 if a HH serves as a lead farmer; 0 if otherwise

0.16 (0.37)

 Livestock

1 if a HH rears livestock; 0 if otherwise

0.70 (0.46)

 Tree

1 if a HH produces a tree crop; 0 if otherwise

0.34 (0.47)

 Maize

1 if a HH produces a maize crop; 0 if otherwise

0.93 (0.26)

 Cereal

1 if a HH produces a cereal crop; 0 if otherwise

0.11 (0.32)

 Tuber

1 if a HH produces a tuber crop; 0 if otherwise

0.09 (0.29)

 Bean

1 if a HH produces a bean crop; 0 if otherwise

0.56 (0.50)

 Groundnut

1 if a HH produces a groundnut crop; 0 if otherwise

0.30 (0.46)

 Vegetable

1 if a HH produces a vegetable crop; 0 if otherwise

0.12 (0.32)

 Tobacco

1 if a HH produces a tobacco crop; 0 if otherwise

0.10 (0.30)

Risk attitude and farmer organization

  

 Risk-averse

1 if a HH is risk-averse; 0 if otherwise

0.70 (0.46)

 Farmer organization

A number of farmer organizations the HH are a member of

0.91 (1.14)

Mobility and access to fertilizer

  

 Difficulty in accessing fertilizer

HH’s difficulty in accessing fertilizer (1—not serious to 4—very serious)

3.50 (0.98)

 Market

1 if there is a market in the village; 0 if otherwise

0.07 (0.25)

 Distance to paved roads

Distance from farmer’s residence to paved roads

12.41 (12.19)

 Log of distance to paved roads

 

2.17 (0.98)

Extension resources within the village

  

 Number of extension agents

The number of extension agents assigned in the village

1.20 (0.76)

 Number of agricultural projects

The number of agricultural projects in the village in the past five years

3.10 (1.64)

 Number of demonstration plots and farm trials

The number of demonstration plots and farm trials in the village in the past five years

2.00 (2.11)

Regional characteristics

  

 Feed the future zone of influence

1 if the area is Feed the Future Zone of Influence; 0 if otherwise

0.67 (0.47)

 South Region

1 if the area is south region; 0 if otherwise

0.53 (0.50)

 Central Region

1 if the area is central region; 0 if otherwise

0.41 (0.49)

  1. Standard deviations are in parenthesis
  2. aHousehold Dietary Diversity Score measures the number of different food groups (a total of 12 food groups) consumed over 24 h. HDDS ranged from 0 to 12, and the higher the score, the more diversified food groups the household consumed over 24 hours