| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Several Times a day | 2 |
2.8%
|
| 2 | 2.Once in a day | 4 |
5.6%
|
| 3 | 3.Several times a week | 7 |
9.7%
|
| 4 | 4.Once a week | 5 |
6.9%
|
| 5 | 5.Less than once a month | 17 |
23.6%
|
| 6 | 6.Other | 37 |
51.4%
|
| 7 | 7.Refusal | 0 |
0%
|
| 8 | 8.DK | 0 |
0%
|