Table 1 Sections and topics of the questionnaire in the study

Demographic assessment form:

- Place and date

- Consent process

- Contact information

Sociodemographic information form:

- Demographic information

- Health coverage

Household information form:

- Family characteristics

- Expenditures

- Change attitudes

- History of blood pressure measurements

Knowledge about salt and high blood pressure:

- Knowledge about high blood pressure

- Salt consumption

- Household information: assets

Lifestyles assessment form:

- Smoking

- Alcohol consumption

- Food consumption

- Physical activity

- Lack of activity

Mental health assessment form:

- Depressive symptoms

- Quality of life

- Stress

- Sleep patterns

Cardiovascular assessment form:

- Cardiovascular medication

- Personal and familiar history

- Memory

- Stroke

Clinical measurements form:

- Height

- Weight

- Waist and hip circumference

- Blood pressure

Costing data form:

- Patient costs

- Program costs