| Value | Category | Cases | |
|---|---|---|---|
| -88 | don't know | 0 |
0%
|
| -66 | refuse to answer | 0 |
0%
|
| 1 | Rarely (1-2 times in past 4 weeks) | 31 |
57.4%
|
| 2 | Sometimes (3-10 times in past 4 weeks) | 19 |
35.2%
|
| 3 | Often (more than 10 times in past 4 weeks) | 4 |
7.4%
|
| Sysmiss | 446 |