Value |
Category |
-999 |
Don't know |
-888 |
Refuse to answer |
|
Neither |
1 |
Illness |
2 |
Injury |
3 |
Both |
11 |
.R |
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.