| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 0 |
0%
|
| 2 | At least once a week but not every day | 0 |
0%
|
| 3 | Sometimes but < once per week | 1 |
100%
|
| 4 | Never | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 12910 |