highly significantp<0.001
The associations between degree of freedom (df)=4 and the other variables are all highly significant: sanitation (χ 2 =146.47, df=4, p<0.001), malnutrition (χ 2 =114.26, df=4, p<0.001) and diarrhea (χ 2 =14.53, df=4, p=0.005).