| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 0 |
0%
|
| 2 | Between 2 and 4 weeks | 1 |
2.4%
|
| 3 | Between 1 and 2 months | 4 |
9.8%
|
| 4 | Between 2 and 6 months | 4 |
9.8%
|
| 5 | More than 6 months | 14 |
34.1%
|
| 6 | Never | 2 |
4.9%
|
| 7 | Don’t know (uncertain) | 16 |
39%
|
| Sysmiss | 458 |