| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. twice a day | 0 |
0%
|
| 1 | 1. every day | 1597 |
50.6%
|
| 2 | 2. 2-4 times per week | 1099 |
34.8%
|
| 3 | 3. once a week | 407 |
12.9%
|
| 4 | 4. less than once a week | 51 |
1.6%
|
| Sysmiss | 1384 |