Table 1 Socio-demographic features of the studied population

Gender

 Male

4

5

 Female

4

3

Age (years)

 60–69

5

4

 Over 70

3

4

Marital status

 Unmarried

2

3

 Divorced

5

2

 Widowed

1

3

Educational level

 Did not received any formal education

2

1

 Education up to secondary school

4

3

 Education up to college

1

2

 Education up to university

1

2

Income

 500–1000 THB

3

4

 1001–5000 THB

3

2

 > 5000 THB

2

2

Co-morbidities

 None

1

2

 Diabetes//Hypertension//Cardiac disease

5

4

 Others (Gout—1, Eczema—1, Asthma—1, Kidney Disease—1)

2

2