Value |
Category |
1 |
NO TESTS |
2 |
1/YR |
3 |
1/TERM |
4 |
2-3/TERM |
5 |
2-3/MONTH |
6 |
1 OR MORE/WK |
9 |
omitted |
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.