| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (once or twice in the past four weeks) | 113 |
72.9%
|
| 2 | Sometimes (three to ten times in the past four weeks) | 39 |
25.2%
|
| 3 | Often (more than ten times in the past four weeks) | 3 |
1.9%
|
| Sysmiss | 2758 |