| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 2100 |
58.4%
|
| 1 | less than once a week | 433 |
12%
|
| 2 | at least once a week | 411 |
11.4%
|
| 3 | almost every day | 654 |
18.2%
|
| Sysmiss | 7 |