| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 = Days | 0 |
0%
|
| 2 | 2 = Weeks | 2 |
0.1%
|
| 3 | 3 = Months | 46 |
2.2%
|
| 4 | 4 = Years | 267 |
12.5%
|
| 94 | 94 = No activity | 534 |
25.1%
|
| 95 | 95 = Missing | 5 |
0.2%
|
| 97 | 97 = Refusal | 147 |
6.9%
|
| 99 | 99 = Not applicable | 1130 |
53%
|
| Sysmiss | 38 |