| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 99 |
3.1%
|
| 2 | Often | 71 |
2.3%
|
| 3 | Rarely | 280 |
8.9%
|
| 4 | Not at all | 202 |
6.4%
|
| 5 | miss | 3 |
0.1%
|
| 6 | other | 1 |
0%
|
| 7 | Refusal | 0 |
0%
|
| 9 | na | 2492 |
79.1%
|
| 95 | 1 |
0%
|
|
| Sysmiss | 1487 |