Characteristics of patients in this study
| Variables | N (%) |
| Gender | |
| Male | 8 (40) |
| Female | 12 (60) |
| Age (years) | |
| <60 | 3 (15) |
| 60–64 | 5 (25) |
| 65–69 | 2 (10) |
| 70–74 | 2 (10) |
| 75–79 | 3 (15) |
| >80 | 5 (25) |
| Education level | |
| Elementary | 7 (35) |
| Middle | 12 (60) |
| College | 1 (5) |
| Number of medications used | |
| Mean (SD) | 4.65 (2.39) |