Table 6 Descriptive summary of model variables for Heckman probit selection model

Dependent variable description

Perceived (%)

Not perceived (%)

Perceived (%)

Not perceived (%)

 Perception (perceived = 1)

52

48

62

38

Independent variables

Mean

SD

Mean

SD

 Education level of HH head (years)

5.25

2.98

3.98

1.86

 HH head age (years)

43.99

13.12

43.61

11.72

 Climate change information (yes = 1)

0.6

0.5

0.4

0.5

 Frequency of drought (last 20 years)

2.30

1.43

2.81

1.48

 Frequency of drought (last 10 years)

2.37

2.16

2.23

1.11

 Number of crop failures (last 10 years)

2.33

1.22

2.09

1.26

 Duration of food shortage (months)

2.91

1.50

2.37

1.66

 Temperature (increasing = 1)

0.7

0.3

0.65

0.3

 Precipitation (increasing = 1)

0.3

0.7

0.4

0.6