Table 2 Description of main variables of the study

Insurance status

Dichotomous variable.

0. Uninsured;

1. MHI

Type of healthcare professional visited in case of illness

Polytomous variable.

0. Did not visit;

1. The individual saw a specialist physician;

2. The individual saw a general physician;

3. The individual saw a dental doctor;

4. The individual saw other formal healthcare professionals;

5. The individual saw informal healthcare professionals.

Wealth

Index of wealth, based on durable goods ownership (radio, television, motorbike, bike, car, refrigerator, fan, air conditioner latrine) and roof materials. The wealth variable ranges from 0, where the household has none of the items, to 1, where the household has all the items

Education of household head

Polytomous variable.

0. No formal education;

1. Primary;

2. Secondary;

3. University

Location

Location area. Dichotomous variable

1. Urban;

0. Rural

Sex

Sex of household head. Dichotomous variable.

1. Male;

0. Female

Household size

Continuous variable. Number of all individuals in the household

Age

The age group of individuals is polytomous.

0. Under 18 years;

1. 18–35;

2. 35–45;

3. 45–55;

4. 55–65;

5. 65–75;

6. More than 75

Marital status

The marital status of the household head is polytomous.

1. Single;

2. Married;

3. Widow or widower;

4. Divorced

Hospitalization

Hospitalization status in the last 12 months prior to the survey. Dichotomous variable.

1. Yes;

0. No