Value |
Category |
-9 |
Missing |
-8 |
Don't know |
-7 |
Notappl |
1 |
One week |
2 |
Two weeks |
3 |
Three weeks |
4 |
Four weeks(full month) |
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.