| 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.