Table 4: Knowledge of the measures to treat drinking water.

 Before

After

Total

 

Suitable

Inadequate

No.

%

No.

%

 

No.

%

Suitable

12

30

-

-

12

30

Inadequate

28

70

-

-

28

70

Total

40

100

-

-

40

100

p < 0.05 Source: Sociodemographic survey.