| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. twice a day | 15 |
0.5%
|
| 1 | 1. every day | 192 |
6.1%
|
| 2 | 2. 2-4 times per week | 329 |
10.4%
|
| 3 | 3. once a week | 2528 |
80.3%
|
| 4 | 4. less than once a week | 86 |
2.7%
|
| Sysmiss | 1388 |