| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1028 |
73.4%
|
| 1 | Less than once a week | 197 |
14.1%
|
| 2 | At least once a week | 171 |
12.2%
|
| Sysmiss | 2 |
0.1%
|
|
| r | RF | 2 |
0.1%
|