| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 1 |
2.8%
|
| 2 | Between 2 and 4 weeks | 3 |
8.3%
|
| 3 | Between 1 and 2 months | 5 |
13.9%
|
| 4 | Between 2 and 6 months | 8 |
22.2%
|
| 5 | More than 6 months | 1 |
2.8%
|
| 6 | Never | 8 |
22.2%
|
| 7 | Don’t know (uncertain) | 10 |
27.8%
|
| Sysmiss | 834 |