| Value |
Category |
| 1 |
Years |
| 2 |
Months |
| 3 |
Weeks |
| 4 |
Days |
| 5 |
Less Than 1 Day |
| 7 |
Don't Know |
| 9 |
Refused |
| 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.
