Variables

Model 1

Model 2

Model 3

dy/dx

dy/dx

dy/dx

Age

0.005

(0.005)

−0.005

(0.005)

−0.000

(0.000)

Sex (male)

Ref

Ref

Ref

Female

0.181*

(0.107)

−0.202**

(0.097)

0.020

(0.024)

Household size

0.046**

(0.019)

−0.041**

(0.018)

−0.005*

(0.003)

Nbr of households on the plot

0.055

(0, 035)

−0.045

(0.032)

−0.009**

(0.004)

Nbr of buckets (10 L)/day in dry areas

−0.150***

(0.036)

0.142***

(0.033)

0.008*

(0.004)

Nbr of 25 L cans/day in dry areas

−0.358***

(0.076)

0.322

(0.069)

0.036***

(0.011)

Level of education

No schooling

Ref

Ref

Ref

Primary

0.160*

(0.089)

−0.132

(0.118)

−0.027

(0.066)

Secondary

0.420***

(0.085)

−0.389***

(0.113)

−0.030

(0.065)

Higher

0.595***

(0.109)

−0.532***

(0.131)

−0.063

(0.064)

Activity of the head of the household

Liberal profession

Ref

Ref

Ref

Employee

0.142

(0.117)

−0.126

(0.110)

−0.016

(0.0020)