| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several times a week | 123 |
4%
|
| 2 | Once a week | 169 |
5.6%
|
| 3 | Once a fortnight | 197 |
6.5%
|
| 4 | About once a month | 251 |
8.2%
|
| 5 | Less often | 535 |
17.6%
|
| 6 | Never | 215 |
7.1%
|
| -6 | Follow up refusal | 1011 |
33.2%
|
| -2 | No answer | 480 |
15.8%
|
| -1 | Don't know | 62 |
2%
|