| Value |
Category |
Cases |
|
| 1 |
Suddenly |
64 |
|
| 2 |
Fast (within a day) |
12 |
|
| 3 |
Slowly (over many days) |
43 |
|
| 8 |
Don't know |
32 |
|
| 9 |
|
4 |
|
| Sysmiss |
|
4048 |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
