| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (once or twice in the past four weeks) | 472 |
66.7%
|
| 2 | Sometimes (three to ten times in the past four weeks) | 183 |
25.8%
|
| 3 | Often (more than ten times in the past four weeks) | 53 |
7.5%
|
| Sysmiss | 2205 |