| Value |
Category |
| 1 |
Days (if <7 days) |
| 2 |
Weeks (if >= 7 days and <4 weeks) |
| 3 |
Months (if >=4 weeks and less than 1 year) |
| 4 |
Years (if 1 year or longer) |
| 98 |
Don’t know |
| 99 |
Refused to answer |
| Sysmiss |
|
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.
