| Characteristics | Frequency (N = 311) | Percentage (/100) |
| Age group (in years) |
|
|
| <20 | 19 | 6.1 |
| 20 - 39 | 78 | 25.1 |
| 40 - 59 | 139 | 44.7 |
| ≥60 | 75 | 24.1 |
| Gender |
|
|
| Male | 198 | 63.7 |
| Female | 113 | 36.3 |