| Value | Category | Cases | |
|---|---|---|---|
| 1 | >=5 days/week | 152 |
7.1%
|
| 2 | 1-4 days/week | 503 |
23.3%
|
| 3 | 1-3 days/month | 433 |
20.1%
|
| 4 | | 738 |
|
34.2%
|
| 7 | Don't know | 11 |
0.5%
|
| 8 | Refused | 312 |
14.5%
|
| 9 | Missing | 7 |
0.3%
|
| Sysmiss | 3470 |