Table 1 Socio-demographic features of the studied population
| Experimental group | Control group | |
|---|---|---|
| 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 |