| Value |
Category |
| 100 |
Days, 0 |
| 199 |
Days, missing |
| 201 |
Weeks, 1 |
| 301 |
Months, 1 |
| 401 |
Years, 1 |
| 995 |
Within last 4 weeks |
| 996 |
Before last birth |
| 998 |
Don't know |
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.