| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | not at all | 748 |
32%
|
| 1 | less than once a week | 476 |
20.3%
|
| 2 | at least once a week | 579 |
24.7%
|
| 3 | almost every day | 537 |
22.9%
|