Table 1.

Explanatory variables for the logistic regression

Variables	Expected sign
Poverty (poor = 1, non-poor = 0)	+
Residence (urban = 1, rural = 0)	–
Region (reference = central)	+/−
Sex of household head (male = 1, female = 0)	+/−
Number of people in the household	+
Children below 5 years in the household (yes =1, no = 0)	+
Adults above 60 years in the household (yes = 1, no = 0)	+
Education of household head (reference: no formal education)	–
Employment (reference: formal employment)	–
Marital status (married = 1, not married = 0)	+/−

+: Positive, −: Negative, +/−: Indeterminate